List of California area codes
Encyclopedia
This is a list of area codes in California and when they were created:
  • 209
    Area code 209
    209 is the North American telephone area code for California that covers Stockton, Modesto, Turlock, Merced, Winton, Atwater, Livingston, Manteca, Ripon, Tracy, Lodi, Sonora, Los Banos, San Andreas, Mariposa, and Yosemite, as well as the northern San Joaquin Valley and the Sierra Foothills...

    - Stockton
    Stockton, California
    Stockton, California, the seat of San Joaquin County, is the fourth-largest city in the Central Valley of the U.S. state of California. With a population of 291,707 at the 2010 census, Stockton ranks as this state's 13th largest city...

    , Modesto
    Modesto, California
    Modesto is a city in, and is the county seat of, Stanislaus County, California. With a population of approximately 201,165 at the 2010 census, Modesto ranks as the 18th largest city in the state of California....

    , Merced
    Merced, California
    Merced is a city in, and the county seat of, Merced County, California in the San Joaquin Valley of Northern California. As of the 2010 census, the city had a population of 78,958. Incorporated in 1889, Merced is a charter city that operates under a council-manager government...

    ; the northern San Joaquin Valley
    San Joaquin Valley
    The San Joaquin Valley is the area of the Central Valley of California that lies south of the Sacramento – San Joaquin River Delta in Stockton...

     and the central Sierra Nevada range. (Split from 916
    Area code 916
    North American area code 916 is an area code based in Sacramento, California. The telephone area code was one of the first three original area codes established in California in October, 1947. It covered the far northern portion of the state. It was split in a flash-cut on October, 26, 1957, at...

     on January 1, 1958)
  • 213
    Area code 213
    North American area code 213 is a Californian telephone area code which contains downtown Los Angeles and its immediate environs. It was one of California's original three area codes created in October 1947 and has historically been associated with Southern California and Los Angeles.Originally,...

    - Downtown Los Angeles
    Downtown Los Angeles
    Downtown Los Angeles is the central business district of Los Angeles, California, United States, located close to the geographic center of the metropolitan area...

    (October 1947; surrounded by 323
    Area code 323
    North American area code 323 is a California telephone area code which covers, roughly, the area of central Los Angeles . 323 also includes several gateway cities of the region, including Bell and Huntington Park...

     since June 13, 1998)
  • 310 - Santa Monica
    Santa Monica, California
    Santa Monica is a beachfront city in western Los Angeles County, California, US. Situated on Santa Monica Bay, it is surrounded on three sides by the city of Los Angeles — Pacific Palisades on the northwest, Brentwood on the north, West Los Angeles on the northeast, Mar Vista on the east, and...

    , Malibu, Pacific Palisades, Compton
    Compton, California
    Compton is a city in southern Los Angeles County, California, United States, southeast of downtown Los Angeles. The city of Compton is one of the oldest cities in the county and on May 11, 1888, was the eighth city to incorporate. The city is considered part of the South side by residents of Los...

    , Torrance
    Torrance, California
    Torrance is a city incorporated in 1921 and located in the South Bay region of Los Angeles County, California, United States. Torrance has of shore-front beaches on the Pacific Ocean, quieter and less well-known by tourists than others on the Santa Monica Bay, such as those of neighboring...

    , Beverly Hills
    Beverly Hills, California
    Beverly Hills is an affluent city located in Los Angeles County, California, United States. With a population of 34,109 at the 2010 census, up from 33,784 as of the 2000 census, it is home to numerous Hollywood celebrities. Beverly Hills and the neighboring city of West Hollywood are together...

    , Catalina Island
    Santa Catalina Island, California
    Santa Catalina Island, often called Catalina Island, or just Catalina, is a rocky island off the coast of the U.S. state of California. The island is long and across at its greatest width. The island is located about south-southwest of Los Angeles, California. The highest point on the island is...

    ; the southwestern portion of Los Angeles County. (Split from 213
    Area code 213
    North American area code 213 is a Californian telephone area code which contains downtown Los Angeles and its immediate environs. It was one of California's original three area codes created in October 1947 and has historically been associated with Southern California and Los Angeles.Originally,...

     on November 2, 1991; overlaid
    Overlay plan
    In telephony, especially in North America, an overlay plan is the practice of introducing a new area code by applying it onto a geographic area that is already occupied by one or more existing area codes, resulting in two area codes serving the same area.- Methodology :Prior to the introduction of...

     by 424 on August 26, 2006)
  • 323
    Area code 323
    North American area code 323 is a California telephone area code which covers, roughly, the area of central Los Angeles . 323 also includes several gateway cities of the region, including Bell and Huntington Park...

    - a ring around downtown Los Angeles
    Los Ángeles
    Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...

    , including the Hollywood and Eagle Rock
    Eagle Rock, Los Angeles, California
    In 1909, Hill Avenue, now Hill Drive, was one of Eagle Rock's most beautiful streets. Other streets were Royal Drive , Acacia Street , Kenilworth Avenue , Highland Avenue , and Fairmont Avenue...

     districts of Los Angeles, Florence
    Florence-Graham, California
    Florence-Graham is a census-designated place in Los Angeles County, California, United States. The population was 63,387 at the 2010 census, up from 60,197 at the 2000 census...

    , Montebello
    Montebello, California
    Montebello is a city in Los Angeles County, California, United States, in the southwestern part of the San Gabriel Valley. It is located on of land just east of downtown Los Angeles. It is considered part of the Gateway Cities, and the city is a member of the Gateway Cities Council of...

     and East Los Angeles
    East Los Angeles, California
    East Los Angeles is an unincorporated area and census-designated place in Los Angeles County, California, United States...

    . (Split from 213
    Area code 213
    North American area code 213 is a Californian telephone area code which contains downtown Los Angeles and its immediate environs. It was one of California's original three area codes created in October 1947 and has historically been associated with Southern California and Los Angeles.Originally,...

     on June 13, 1998)
  • 408
    Area code 408
    North American area code 408 is a telephone area code in California that covers most of Santa Clara County and includes Gilroy, Morgan Hill, Saratoga, Los Gatos, Monte Sereno, Milpitas, Sunnyvale, Santa Clara, Cupertino, and San Jose. It was created in a 1959 split from area code 415 in a flash-cut...

    - San Jose
    San Jose, California
    San Jose is the third-largest city in California, the tenth-largest in the U.S., and the county seat of Santa Clara County which is located at the southern end of San Francisco Bay...

    ,
    Sunnyvale
    Sunnyvale, California
    Sunnyvale is a city in Santa Clara County, California, United States. It is one of the major cities that make up the Silicon Valley located in the San Francisco Bay Area...

    , Gilroy
    Gilroy, California
    Gilroy is the southernmost city in Santa Clara County, California, United States. The population was 48,821 at the 2010 census. Gilroy is well-known for its garlic crop and for the annual Gilroy Garlic Festival, featuring various garlicky foods, including garlic ice cream. Gilroy also produces...

    , Morgan Hill
    Morgan Hill, California
    Morgan Hill is a city located in the southern part of Santa Clara County, California, United States. Founded on November 10, 1906, the city was named after Hiram Morgan Hill, a San Franciscan who built a country retreat home there in 1884...

    , and Los Gatos
    Los Gatos, California
    The Town of Los Gatos is an incorporated town in Santa Clara County, California, United States. The population was 29,413 at the 2010 census. It is located in the San Francisco Bay Area at the southwest corner of San Jose in the foothills of the Santa Cruz Mountains...

    ; most of Santa Clara County. (Split from 415
    Area code 415
    North American Area code 415 is the Californian telephone area code for San Francisco and its northern suburbs .-History:415 was one of the original three area codes in California, established in 1947...

     on January 1, 1959)
  • 415
    Area code 415
    North American Area code 415 is the Californian telephone area code for San Francisco and its northern suburbs .-History:415 was one of the original three area codes in California, established in 1947...

    - San Francisco, San Rafael
    San Rafael, California
    San Rafael is a city and the county seat of Marin County, California, United States. The city is located in the North Bay region of the San Francisco Bay Area...

    , Novato
    Novato, California
    Novato is a city located in the North Bay region of the San Francisco Bay Area, in northern Marin County. Novato is located about north-northwest of San Rafael, at an elevation of 30 feet above sea level . The 2010 U.S. Census estimated the city population to be about 51,904. Novato is about ...

    ; all of San Francisco County, most of Marin County and a small portion of northern San Mateo County (October 1947)
  • 424 - Overlay
    Overlay plan
    In telephony, especially in North America, an overlay plan is the practice of introducing a new area code by applying it onto a geographic area that is already occupied by one or more existing area codes, resulting in two area codes serving the same area.- Methodology :Prior to the introduction of...

     with 310 on August 26, 2006
  • 442
    Area codes 442 and 760
    Image:Area_code_442.svg|right|Map of California area codes in blue with 442/760 in redrect 65 82 92 100 Area code 916rect 220 242 245 256 Area code 909rect 243 274 265 287 Area code 951rect 136 323 160 338 Area code 858...

    - Overlay with 760
    Area codes 442 and 760
    Image:Area_code_442.svg|right|Map of California area codes in blue with 442/760 in redrect 65 82 92 100 Area code 916rect 220 242 245 256 Area code 909rect 243 274 265 287 Area code 951rect 136 323 160 338 Area code 858...

    on October 24, 2009
  • 510
    Area code 510
    North American area code 510 is a California telephone area code which covers most eastern Bay Area cities in Alameda County , and western Contra Costa County...

    - Oakland
    Oakland, California
    Oakland is a major West Coast port city on San Francisco Bay in the U.S. state of California. It is the eighth-largest city in the state with a 2010 population of 390,724...

    ,
    Fremont
    Fremont, California
    Fremont is a city in Alameda County, California. It was incorporated on January 23, 1956, from the merger of five smaller communities: Centerville, Niles, Irvington, Mission San Jose, and Warm Springs...

    , Hayward
    Hayward, California
    Hayward is a city located in the East Bay in Alameda County, California. With a population of 144,186, Hayward is the sixth largest city in the San Francisco Bay Area and the third largest in Alameda County. Hayward was ranked as the 37th most populous municipality in California. It is included in...

    , Berkeley
    Berkeley, California
    Berkeley is a city on the east shore of the San Francisco Bay in Northern California, United States. Its neighbors to the south are the cities of Oakland and Emeryville. To the north is the city of Albany and the unincorporated community of Kensington...

     and Richmond
    Richmond, California
    Richmond is a city in western Contra Costa County, California, United States. The city was incorporated on August 7, 1905. It is located in the East Bay, part of the San Francisco Bay Area. It is a residential inner suburb of San Francisco, as well as the site of heavy industry, which has been...

    ; western Alameda and Contra Costa Counties. (Split from 415
    Area code 415
    North American Area code 415 is the Californian telephone area code for San Francisco and its northern suburbs .-History:415 was one of the original three area codes in California, established in 1947...

     on September 2, 1991)
  • 530
    Area code 530
    North American area code 530 is a California telephone area code that covers Auburn, Chico, Colfax, Davis, Grass Valley, Marysville, Oroville, Placerville, Redding, Red Bluff, Susanville, Truckee, Woodland, Yuba City and South Lake Tahoe....

    - Redding
    Redding, California
    Redding is a city in far-Northern California. It is the county seat of Shasta County, California, USA. With a population of 89,861, according to the 2010 Census...

    ,
    Chico
    Chico, California
    Chico is the most populous city in Butte County, California, United States. The population was 86,187 at the 2010 census, up from 59,954 at the time of the 2000 census...

    , Marysville
    Marysville, California
    Marysville is the county seat of Yuba County, California, United States. The population was 12,072 at the 2010 census, down from 12,268 at the 2000 census. It is included in the Yuba City Metropolitan Statistical Area, often referred to as the Yuba-Sutter Area after the two counties, Yuba and...

    , Red Bluff
    Red Bluff, California
    Red Bluff is a city in and the county seat of Tehama County, California, United States. The population was 14,076 at the 2010 census, up from 13,147 at the 2000 census....

    , Oroville
    Oroville, California
    Oroville is the county seat of Butte County, California. The population was 15,506 at the 2010 census, up from 13,004 at the 2000 census...

    , Placerville
    Placerville, California
    Placerville is the county seat of El Dorado County, California. The population was 10,389 at the 2010 census, up from 9,610 at the 2000 census. It is part of the Sacramento–Arden-Arcade–Roseville Metropolitan Statistical Area.-Geography:...

    , Truckee
    Truckee, California
    Truckee is an incorporated town in Nevada County, California, United States. The population was 16,180 at the 2010 census, up from 13,864 at the 2000 census.-Name:...

    ; northeastern California including most of the Sacramento Valley
    Sacramento Valley
    The Sacramento Valley is the portion of the California Central Valley that lies to the north of the San Joaquin-Sacramento Delta in the U.S. state of California. It encompasses all or parts of ten counties.-Geography:...

    , the northern Sierra Nevada and the Lake Tahoe
    Lake Tahoe
    Lake Tahoe is a large freshwater lake in the Sierra Nevada of the United States. At a surface elevation of , it is located along the border between California and Nevada, west of Carson City. Lake Tahoe is the largest alpine lake in North America. Its depth is , making it the USA's second-deepest...

     region. (Split from 916
    Area code 916
    North American area code 916 is an area code based in Sacramento, California. The telephone area code was one of the first three original area codes established in California in October, 1947. It covered the far northern portion of the state. It was split in a flash-cut on October, 26, 1957, at...

     on November 1, 1997)
  • 559
    Area code 559
    Area code 559 is an area code in Central California, serving the counties ofFresno, Madera, Kings, and Tulare. It was created on November 14, 1998, when the southern half of the area code 209 reached full capacity....

    - Fresno
    Fresno, California
    Fresno is a city in central California, United States, the county seat of Fresno County. As of the 2010 census, the city's population was 510,365, making it the fifth largest city in California, the largest inland city in California, and the 34th largest in the nation...

    ,
    Visalia
    Visalia, California
    Visalia is a Central California city situated in the heart of California’s agricultural San Joaquin Valley, approximately southeast of San Francisco and north of Los Angeles...

    , Madera
    Madera, California
    Madera is a city in and the county seat of Madera County, California, United States. It is a principal city of the Madera–Chowchilla Metropolitan Statistical Area, which encompasses all of Madera County, and Metropolitan Fresno. It is located in California's San Joaquin Valley. As of the 2010...

    , Hanford
    Hanford, California
    Hanford is an important commercial and cultural center in the south central San Joaquin Valley and is the county seat of Kings County, California. It is the principal city of the Hanford-Corcoran, California Metropolitan Statistical Area , which encompasses all of Kings County, including the cities...

    ; the central San Joaquin Valley
    San Joaquin Valley
    The San Joaquin Valley is the area of the Central Valley of California that lies south of the Sacramento – San Joaquin River Delta in Stockton...

     and the southern Sierra Nevada range. (Split from 209
    Area code 209
    209 is the North American telephone area code for California that covers Stockton, Modesto, Turlock, Merced, Winton, Atwater, Livingston, Manteca, Ripon, Tracy, Lodi, Sonora, Los Banos, San Andreas, Mariposa, and Yosemite, as well as the northern San Joaquin Valley and the Sierra Foothills...

     on November 14, 1998)
  • 562
    Area code 562
    Area code 562 is a California telephone area code that was split from area code 310 on January 25, 1997. It is the area code for much of southeastern Los Angeles County, California, and parts of northern Orange County, California.-History:...

    - Long Beach
    Long Beach, California
    Long Beach is a city situated in Los Angeles County in Southern California, on the Pacific coast of the United States. The city is the 36th-largest city in the nation and the seventh-largest in California. As of 2010, its population was 462,257...

    , Whittier
    Whittier, California
    Whittier is a city in Los Angeles County, California about southeast of Los Angeles. The city had a population of 85,331 at the 2010 census, up from 83,680 as of the 2000 census, and encompasses 14.7 square miles . Like nearby Montebello, the city constitutes part of the Gateway Cities...

    ;Norwalk
    Norwalk, California
    Norwalk is a suburban city in Los Angeles County, California, United States. The population was 105,549 at the 2010 census, up from 103,298 at the 2000 census, making it the 58th most populous city in California and the 255th nationally....

    , Lakewood
    Lakewood, California
    Lakewood is a city in Los Angeles County, California, United States. The population was 80,048 at the 2010 census. It is bordered by Long Beach on the west and south, Bellflower on the north, Cerritos on the northeast, Cypress on the east, and Hawaiian Gardens on the southeast. Major thoroughfares...

    , Bellflower
    Bellflower, California
    Bellflower is a city in Los Angeles County, California, and is a suburb of Los Angeles. It was incorporated on September 3, 1957. As of the 2010 census, the city had a total population of 76,616, up from 72,878 at the 2000 census....

    , Cerritos
    Cerritos, California
    Cerritos is a city in Los Angeles County, California, United States, and is one of several cities that constitute the Gateway Cities of southeast Los Angeles County. It was incorporated on April 24, 1956...

    , southeast Los Angeles County and a small portion of coastal Orange County
    Orange County, California
    Orange County is a county in the U.S. state of California. Its county seat is Santa Ana. As of the 2010 census, its population was 3,010,232, up from 2,846,293 at the 2000 census, making it the third most populous county in California, behind Los Angeles County and San Diego County...

    . (Split from 310 on January 25, 1997)
  • 619
    Area code 619
    North American area code 619 is a California telephone area code which was split from area code 714 on November 5, 1982. This area code currently covers the southern half of the city of San Diego and its eastern and southern suburbs....

    - Downtown San Diego, Chula Vista
    Chula Vista, California
    Chula Vista is the second largest city in the San Diego metropolitan area, the seventh largest city in Southern California, the fourteenth largest city in the State of California, and the seventy seventh largest city in the U.S....

    , National City
    National City, California
    National City is a city in San Diego County, California. The population was 58,582 at the 2010 census, up from 54,260 at the 2000 census. National City is the second oldest city in San Diego County and has a historic past.-History:...

    , Imperial Beach
    Imperial Beach, California
    Imperial Beach is a residential beach city in San Diego County, California, with a population of 26,324 at the 2010 census. The city is the most southern beach city in Southern California and the West Coast of the United States...

    ; southern San Diego County. (Split from 714 on January 1, 1982)
  • 626
    Area code 626
    North American area code 626 covers most of the San Gabriel Valley and nearby areas in the northeastern portion of Los Angeles County, California, U.S., including Arcadia, Monrovia, El Monte, most of Pasadena and West Covina...

    - Pasadena
    Pasadena, California
    Pasadena is a city in Los Angeles County, California, United States. Although famous for hosting the annual Rose Bowl football game and Tournament of Roses Parade, Pasadena is the home to many scientific and cultural institutions, including the California Institute of Technology , the Jet...

    , El Monte
    El Monte, California
    El Monte is a residential, industrial, and commercial city in Los Angeles County, California, United States. The city's slogan is "Welcome to Friendly El Monte," and historically is known as "The End of the Santa Fe Trail." As of the 2010 census, the city had a total population of 113,475,...

    , West Covina
    West Covina, California
    West Covina is a city located in Los Angeles County, California. Located some east of Downtown Los Angeles in the eastern San Gabriel Valley, it is a mostly middle class suburb of Los Angeles...

    ; the San Gabriel Valley
    San Gabriel Valley
    The San Gabriel Valley is one of the principal valleys of Southern California, United States. It lies to the east of Los Angeles, to the north of the Puente Hills, to the south of the San Gabriel Mountains, and west of the Inland Empire. It derives its name from the San Gabriel River that flows...

     and eastern suburbs of Los Angeles
    Los Ángeles
    Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...

    . (Split from 818
    Area codes 747 and 818
    Area code 747 and area code 818 are California telephone area codes consisting largely of the San Fernando Valley of Los Angeles, California. They cover roughly two million people.-History:...

     on June 14, 1997)
  • 650
    Area code 650
    North American area code 650 is a California telephone area code which includes most of San Mateo County and the extreme northwestern portion of Santa Clara County including Palo Alto, Mountain View, and Los Altos....

    - San Mateo
    San Mateo, California
    San Mateo is a city in San Mateo County, California, United States, in the San Francisco Bay Area. With a population of approximately 100,000 , it is one of the larger suburbs on the San Francisco Peninsula, located between Burlingame to the north, Foster City to the east, Belmont to the south,...

    , Palo Alto
    Palo Alto, California
    Palo Alto is a California charter city located in the northwest corner of Santa Clara County, in the San Francisco Bay Area of California, United States. The city shares its borders with East Palo Alto, Mountain View, Los Altos, Los Altos Hills, Stanford, Portola Valley, and Menlo Park. It is...

    , Redwood City
    Redwood City, California
    Redwood City is a California charter city located on the San Francisco Peninsula in Northern California, approximately 27 miles south of San Francisco, and 24 miles north of San Jose. Redwood City's history spans from its earliest inhabitation by the Ohlone people, to its tradition as a port for...

    , Daly City
    Daly City, California
    Daly City is the largest city in San Mateo County, California, United States, with a 2010 population of 101,123. Located immediately south of San Francisco, it is named in honor of businessman and landowner John Daly.-History:...

    ; most of San Mateo County and northwestern Santa Clara County (i.e., the San Francisco Peninsula
    San Francisco Peninsula
    The San Francisco Peninsula is a peninsula in the San Francisco Bay Area that separates the San Francisco Bay from the Pacific Ocean. On its northern tip is the City and County of San Francisco. Its southern base is in Santa Clara County, including the cities of Palo Alto, Los Altos, and Mountain...

     with the exception of the city and county of San Francisco). (Split from 415
    Area code 415
    North American Area code 415 is the Californian telephone area code for San Francisco and its northern suburbs .-History:415 was one of the original three area codes in California, established in 1947...

     on August 2, 1997)
  • 657 - Overlay with 714 on September 23, 2008
  • 661
    Area code 661
    North American area code 661 covers the majority of California's Kern County, as well as part of Los Angeles County, Santa Barbara County, and Tulare County...

    - Bakersfield
    Bakersfield, California
    Bakersfield is a city near the southern end of the San Joaquin Valley in Kern County, California. It is roughly equidistant between Fresno and Los Angeles, to the north and south respectively....

    , Santa Clarita
    Santa Clarita, California
    Santa Clarita is the fourth largest city in Los Angeles County, California, United States and the twenty-fourth largest city in the state of California. The 2010 US Census reported the city's population grew 16.7% from the year 2000 to 176,320 residents. It is located about northwest of downtown...

    , Palmdale
    Palmdale, California
    Palmdale is a city located in the center of northern Los Angeles County, California, United States.Palmdale was the first community within the Antelope Valley to incorporate as a city on August 24, 1962; 47 years later, voters approved creating a charter city in November, 2009. Palmdale is...

    ; northern Los Angeles County including the Antelope Valley and most of Kern County
    Kern County, California
    Spreading across the southern end of the California Central Valley, Kern County is the fifth-largest county by population in California. Its economy is heavily linked to agriculture and to petroleum extraction, and there is a strong aviation and space presence. Politically, it has generally...

    , including the southern San Joaquin Valley
    San Joaquin Valley
    The San Joaquin Valley is the area of the Central Valley of California that lies south of the Sacramento – San Joaquin River Delta in Stockton...

    . (Split from 805
    Area code 805
    North American area code 805 is a California telephone area code. Area code 805 includes most or all of the California counties of San Luis Obispo, Santa Barbara, and Ventura, plus southernmost portions of Monterey County....

     on February 13, 1999)
  • 707
    Area code 707
    North American area code 707 is a Californian telephone area code which covers Napa, Sebastopol, Vallejo, Benicia, Fairfield, Santa Rosa, Petaluma, Fort Bragg, Crescent City, Eureka, Clearlake, Vacaville, Ukiah, and northwestern California. It was split from area code 415 on March 1, 1959...

    - Santa Rosa
    Santa Rosa, California
    Santa Rosa is the county seat of Sonoma County, California, United States. The 2010 census reported a population of 167,815. Santa Rosa is the largest city in California's Wine Country and fifth largest city in the San Francisco Bay Area, after San Jose, San Francisco, Oakland, and Fremont and 26th...

    ,
    Eureka
    Eureka, California
    Eureka is the principal city and the county seat of Humboldt County, California, United States. Its population was 27,191 at the 2010 census, up from 26,128 at the 2000 census....

    , Petaluma
    Petaluma, California
    Petaluma is a city in Sonoma County, California, in the United States. In the 2010 Census the population was 57,941.Located in Petaluma is the Rancho Petaluma Adobe, a National Historic Landmark. It was built beginning in 1836 by General Mariano Guadalupe Vallejo, then Commandant of the San...

    , Napa
    Napa, California
    -History:The name Napa was probably derived from the name given to a southern Nappan village whose people shared the area with elk, deer, grizzlies and cougars for many centuries, according to Napa historian Kami Santiago. At the time of the first recorded exploration into Napa Valley in 1823, the...

    , Vallejo
    Vallejo, California
    Vallejo is the largest city in Solano County, California, United States. The population was 115,942 at the 2010 census. It is located in the San Francisco Bay Area on the northeastern shore of San Pablo Bay...

    , Fairfield
    Fairfield, California
    Fairfield is a city located in Solano County in Northern California, USA. It is generally considered the midpoint between the cities of San Francisco and Sacramento, approximately from the city center of both cities, approximately from the city center of Oakland, less than from Napa Valley, 18...

    ; northwestern California, including the northern Bay Area
    San Francisco Bay Area
    The San Francisco Bay Area, commonly known as the Bay Area, is a populated region that surrounds the San Francisco and San Pablo estuaries in Northern California. The region encompasses metropolitan areas of San Francisco, Oakland, and San Jose, along with smaller urban and rural areas...

    , the Redwood Empire and the Wine Country. (Split from 415
    Area code 415
    North American Area code 415 is the Californian telephone area code for San Francisco and its northern suburbs .-History:415 was one of the original three area codes in California, established in 1947...

     on January 1, 1959)
  • 714 - Anaheim
    Anaheim, California
    Anaheim is a city in Orange County, California. As of the 2010 United States Census, the city population was about 365,463, making it the most populated city in Orange County, the 10th most-populated city in California, and ranked 54th in the United States...

    , Huntington Beach
    Huntington Beach, California
    Huntington Beach is a seaside city in Orange County in Southern California. According to the 2010 census, the city population was 189,992; making it the largest beach city in Orange County in terms of population...

    , Santa Ana
    Santa Ana, California
    Santa Ana is the county seat and second most populous city in Orange County, California, and with a population of 324,528 at the 2010 census, Santa Ana is the 57th-most populous city in the United States....

    , Orange
    Orange, California
    Southern California is well-known for year-round pleasant weather: - On average, the warmest month is August. - The highest recorded temperature was in 1985. - On average, the coolest month is December. - The lowest recorded temperature was in 1950...

    , Garden Grove
    Garden Grove, California
    Garden Grove is a city located in northern Orange County, California. The population was 170,883 at the 2010 census. State Route 22, also known as the Garden Grove Freeway, passes through the city running east-west. The city is known outside the Southern California area for being the home of Robert H...

    ; northern and western Orange County
    Orange County, California
    Orange County is a county in the U.S. state of California. Its county seat is Santa Ana. As of the 2010 census, its population was 3,010,232, up from 2,846,293 at the 2000 census, making it the third most populous county in California, behind Los Angeles County and San Diego County...

     (Split from 213
    Area code 213
    North American area code 213 is a Californian telephone area code which contains downtown Los Angeles and its immediate environs. It was one of California's original three area codes created in October 1947 and has historically been associated with Southern California and Los Angeles.Originally,...

     in 1951; overlaid by 657 on September 23, 2008)
  • 747
    Area codes 747 and 818
    Area code 747 and area code 818 are California telephone area codes consisting largely of the San Fernando Valley of Los Angeles, California. They cover roughly two million people.-History:...

    - Overlay with 818
    Area codes 747 and 818
    Area code 747 and area code 818 are California telephone area codes consisting largely of the San Fernando Valley of Los Angeles, California. They cover roughly two million people.-History:...

     on May 18, 2009
  • 760
    Area codes 442 and 760
    Image:Area_code_442.svg|right|Map of California area codes in blue with 442/760 in redrect 65 82 92 100 Area code 916rect 220 242 245 256 Area code 909rect 243 274 265 287 Area code 951rect 136 323 160 338 Area code 858...

    - Palm Springs
    Palm Springs, California
    Palm Springs is a desert city in Riverside County, California, within the Coachella Valley. It is located approximately 37 miles east of San Bernardino, 111 miles east of Los Angeles and 136 miles northeast of San Diego...

    , Oceanside
    Oceanside, California
    -2010:The 2010 United States Census reported that Oceanside had a population of 167,086. The population density was 3,961.8 people per square mile...

    , Bishop
    Bishop, California
    Bishop is a city in Inyo County, California, United States. Though Bishop is the only city and the largest populated place in Inyo County, the county seat is Independence. Bishop is located near the northern end of the Owens Valley, at an elevation of 4147 feet . The population was 3,879 at the...

    , Ridgecrest
    Ridgecrest, California
    Ridgecrest, formerly known as Crumville, was incorporated as a city in 1913. It is located in the Indian Wells Valley in northeastern Kern County, California, adjacent to the Naval Air Weapons Station China Lake . Ridgecrest is the only incorporated city along US 395 in Kern County...

    , Barstow
    Barstow, California
    Barstow is a city in San Bernardino County, California, United States. The population was 22,639 at the 2010 census, up from 21,119 at the 2000 census. Barstow is located north of San Bernardino....

    , El Centro
    El Centro, California
    El Centro is a city in and county seat of Imperial County, the largest city in the Imperial Valley and the east anchor of the Southern California Border Region, and the core urban area and principal city of the El Centro metropolitan area which encompasses all of Imperial County. El Centro is also...

    , Needles
    Needles, California
    Needles is a city located in the Mojave Desert on the western banks of the Colorado River in San Bernardino County, California. It is located in the Mohave Valley, which straddles the California–Arizona border. The city is accessible via Interstate 40 and U.S. Route 95...

    ; northern San Diego County
    San Diego County, California
    San Diego County is a large county located in the southwestern corner of the US state of California. Hence, San Diego County is also located in the southwestern corner of the 48 contiguous United States. Its county seat and largest city is San Diego. Its population was about 2,813,835 in the 2000...

    , and southeastern California, including much of the Mojave Desert
    Mojave Desert
    The Mojave Desert occupies a significant portion of southeastern California and smaller parts of central California, southern Nevada, southwestern Utah and northwestern Arizona, in the United States...

     and the Owens Valley
    Owens Valley
    Owens Valley is the arid valley of the Owens River in eastern California in the United States, to the east of the Sierra Nevada and west of the White Mountains and Inyo Mountains on the west edge of the Great Basin section...

    . (Split from 619 on March 22, 1997; overlaid by 442
    Area codes 442 and 760
    Image:Area_code_442.svg|right|Map of California area codes in blue with 442/760 in redrect 65 82 92 100 Area code 916rect 220 242 245 256 Area code 909rect 243 274 265 287 Area code 951rect 136 323 160 338 Area code 858...

     on October 24, 2009)
  • 805
    Area code 805
    North American area code 805 is a California telephone area code. Area code 805 includes most or all of the California counties of San Luis Obispo, Santa Barbara, and Ventura, plus southernmost portions of Monterey County....

    - Santa Barbara
    Santa Barbara, California
    Santa Barbara is the county seat of Santa Barbara County, California, United States. Situated on an east-west trending section of coastline, the longest such section on the West Coast of the United States, the city lies between the steeply-rising Santa Ynez Mountains and the Pacific Ocean...

    , San Luis Obispo
    San Luis Obispo, California
    San Luis Obispo is a city in California, located roughly midway between San Francisco and Los Angeles on the Central Coast. Founded in 1772 by Spanish Fr. Junipero Serra, San Luis Obispo is one of California’s oldest communities...

    , Ventura
    Ventura, California
    Ventura is the county seat of Ventura County, California, United States, incorporated in 1866. The population was 106,433 at the 2010 census, up from 100,916 at the 2000 census. Ventura is accessible via U.S...

    , Oxnard
    Oxnard, California
    Oxnard is the 113th largest city in the United States, 19th largest city in California and largest city in Ventura County, California, by way of population. It is located at the western edge of the fertile Oxnard Plain, and is an important agricultural center, with its distinction as the...

    , Santa Maria
    Santa Maria, California
    Santa Maria is a city in Santa Barbara County, on the Central Coast of California. The 2010 census population was 100,062, putting it ahead of Santa Barbara for the first time and making it the largest city in the county...

    , Santa Paula
    Santa Paula, California
    Santa Paula is a city within Ventura County, California, United States. The population was 29,321 at the 2010 census, up from 28,598 at the 2000 census...

    ; southwest Central Coast, including San Luis Obispo, Santa Barbara and Ventura counties. (Split from 213
    Area code 213
    North American area code 213 is a Californian telephone area code which contains downtown Los Angeles and its immediate environs. It was one of California's original three area codes created in October 1947 and has historically been associated with Southern California and Los Angeles.Originally,...

     on January 1, 1957)
  • 818
    Area codes 747 and 818
    Area code 747 and area code 818 are California telephone area codes consisting largely of the San Fernando Valley of Los Angeles, California. They cover roughly two million people.-History:...

    - Burbank
    Burbank, California
    Burbank is a city in Los Angeles County in Southern California, United States, north of downtown Los Angeles. The estimated population in 2010 was 103,340....

    , Glendale
    Glendale, California
    Glendale is a city in Los Angeles County, California, United States. As of the 2010 Census, the city population is 191,719, down from 194,973 at the 2000 census. making it the third largest city in Los Angeles County and the 22nd largest city in the state of California...

    , the North Hollywood
    North Hollywood, Los Angeles, California
    North Hollywood is a district in the San Fernando Valley region of the city of Los Angeles, California, along the Tujunga Wash. It is bounded on the south by Moorpark Street and the Ventura Freeway, on the southwest by Burbank Blvd...

    , Van Nuys
    Van Nuys, Los Angeles, California
    Van Nuys is a neighborhood in the San Fernando Valley region of Los Angeles, California.-History:Look at the two photos of Van Nuys' first year—and then listen to what the Los Angeles Times wrote on February 23, 1911, the day after the Van Nuys town lot auction--"Between dawn and dusk, in the...

    , Panorama City
    Panorama City, Los Angeles, California
    Panorama City is a district in the San Fernando Valley region of the city of Los Angeles, California. It is known as the San Fernando Valley's first planned community.-Description:...

    , Sherman Oaks
    Sherman Oaks, Los Angeles, California
    Sherman Oaks is an affluent district in the San Fernando Valley area of the city of Los Angeles, California. In contrast to much of the Valley, the area is relatively urbanized, with commercial skyscrapers along Ventura Boulevard as well as scattered throughout...

     and Northridge
    Northridge, Los Angeles, California
    Northridge is a community located in the San Fernando Valley region of the City of Los Angeles, California, United States.The 1994 Northridge earthquake is named for the place based on early estimates of the location of the quake's epicenter; however, further refinements showed it to be technically...

     districts of Los Angeles
    Los Ángeles
    Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...

    ; the San Fernando Valley
    San Fernando Valley
    The San Fernando Valley is an urbanized valley located in the Los Angeles metropolitan area of southern California, United States, defined by the dramatic mountains of the Transverse Ranges circling it...

    . (Split from 213
    Area code 213
    North American area code 213 is a Californian telephone area code which contains downtown Los Angeles and its immediate environs. It was one of California's original three area codes created in October 1947 and has historically been associated with Southern California and Los Angeles.Originally,...

     on January 7, 1984; overlaid by 747
    Area codes 747 and 818
    Area code 747 and area code 818 are California telephone area codes consisting largely of the San Fernando Valley of Los Angeles, California. They cover roughly two million people.-History:...

     on May 18, 2009)
  • 831
    Area code 831
    North American area code 831 is a California area code which covers Salinas, Hollister, Monterey, Santa Cruz and the northern Central Coast. It was created in a split from area code 408 on July 11, 1998.-Monterey County:*Aromas*Boronda*Carmel Highlands...

    - Monterey
    Monterey, California
    The City of Monterey in Monterey County is located on Monterey Bay along the Pacific coast in Central California. Monterey lies at an elevation of 26 feet above sea level. As of the 2010 census, the city population was 27,810. Monterey is of historical importance because it was the capital of...

    , Santa Cruz
    Santa Cruz, California
    Santa Cruz is the county seat and largest city of Santa Cruz County, California in the US. As of the 2010 U.S. Census, Santa Cruz had a total population of 59,946...

    , Salinas
    Salinas, California
    Salinas is the county seat and the largest municipality of Monterey County, California. Salinas is located east-southeast of the mouth of the Salinas River, at an elevation of about 52 feet above sea level. The population was 150,441 at the 2010 census...

    , and Hollister
    Hollister, California
    Hollister is a city in and the county seat of San Benito County, California, United States. The population was 34,928 at the 2010 census. Hollister is primarily an agricultural town.-History:...

    ; the northern Central Coast. (Split from 408
    Area code 408
    North American area code 408 is a telephone area code in California that covers most of Santa Clara County and includes Gilroy, Morgan Hill, Saratoga, Los Gatos, Monte Sereno, Milpitas, Sunnyvale, Santa Clara, Cupertino, and San Jose. It was created in a 1959 split from area code 415 in a flash-cut...

     on July 11, 1998)
  • 858
    Area code 858
    North American area code 858 is an area code that is located in San Diego County, California. It covers some northern suburbs of San Diego, California and the northern half of the city proper, including the areas of Del Mar, Poway, La Jolla, Pacific Beach, Clairemont and MCAS Miramar...

    - Del Mar
    Del Mar, California
    Del Mar is an upscale beach town in San Diego County, California. The population was 4,161 at the 2010 census, down from 4,389 at the 2000 census. The San Diego County Fair is hosted on the Del Mar Fairgrounds every summer. Del Mar is Spanish for "of the sea" or "by the sea", because it is located...

    , La Jolla, Poway
    Poway, California
    Poway is a city in San Diego County, California. Originally an unincorporated community in San Diego County, Poway officially became a city in December 1980. Even though Poway lies geographically in the middle of San Diego County, most consider its relative location as north county inland...

    , Solana Beach
    Solana Beach, California
    Solana Beach is a city in San Diego County, California. The population was 12,867 at the 2010 census.-Geography:Solana Beach is located at ....

    and the northern portion of the city of San Diego
    San Diego, California
    San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

    ; west-central San Diego County. (Split from 619
    Area code 619
    North American area code 619 is a California telephone area code which was split from area code 714 on November 5, 1982. This area code currently covers the southern half of the city of San Diego and its eastern and southern suburbs....

     on June 12, 1999)
  • 909
    Area code 909
    Area code 909 is a California telephone area code that was split from area code 714 on November 14, 1992. Western Riverside County was split off from 909 into area code 951 on July 17, 2004...

    - San Bernardino
    San Bernardino, California
    San Bernardino is a city located in the Riverside-San Bernardino metropolitan area , and serves as the county seat of San Bernardino County, California, United States...

    , Ontario
    Ontario, California
    Ontario is a city located in San Bernardino County, California, United States, 35 miles east of downtown Los Angeles. Located in the western part of the Inland Empire region, it lies just east of the Los Angeles county line and is part of the Greater Los Angeles Area...

    , Pomona
    Pomona, California
    -2010:The 2010 United States Census reported that Pomona had a population of 149,058, a slight decline from the 2000 census population. The population density was 6,491.2 people per square mile...

    , and Chino
    Chino, California
    Chino is a city in San Bernardino County, California, United States. It is located in the western end of the Riverside-San Bernardino Area and it is easily accessible via the Chino Valley and Pomona freeways....

    ; eastern Los Angeles County and southwestern San Bernardino County. (Split from 714 on November 14, 1992)
  • 916
    Area code 916
    North American area code 916 is an area code based in Sacramento, California. The telephone area code was one of the first three original area codes established in California in October, 1947. It covered the far northern portion of the state. It was split in a flash-cut on October, 26, 1957, at...

    - Sacramento
    Sacramento, California
    Sacramento is the capital city of the U.S. state of California and the county seat of Sacramento County. It is located at the confluence of the Sacramento River and the American River in the northern portion of California's expansive Central Valley. With a population of 466,488 at the 2010 census,...

    and most of the Sacramento metro: Folsom
    Folsom, California
    Folsom is a city in Sacramento County, California, United States. Folsom is most commonly known for its famous Folsom Prison. The population was 72,203 at the 2010 census....

    , Roseville
    Roseville, California
    -2010:The 2010 United States Census reported that Roseville had a population of 118,788. The population density was 3,279.4 people per square mile...

    ; Sacramento County
    Sacramento County, California
    Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....

     and southern Placer County
    Placer County, California
    Placer County is a county located in both the Sacramento Valley and Sierra Nevada regions of the U.S. state of California, in what is known as the Gold Country. It stretches from the suburbs of Sacramento to Lake Tahoe and the Nevada border. Because of the expansion of the Greater Sacramento,...

     (October 1947)
  • 925
    Area code 925
    In the North American Numbering Plan , area code 925 is an area code that covers the inland portions of the East Bay counties of Alameda and Contra Costa in northern California....

    - Concord
    Concord, California
    Concord is the largest city in Contra Costa County, California, USA. At the 2010 census, the city had a population of 122,067. Originally founded in 1869 as the community of Todos Santos by Salvio Pacheco, the name was changed to Concord within months...

    ,
    Walnut Creek
    Walnut Creek, California
    Walnut Creek is an incorporated city located east of the city of Oakland. It lies in the East Bay region of the San Francisco Bay Area. While not as large as neighboring Concord, Walnut Creek serves as the business and entertainment hub for the neighboring cities within central Contra Costa...

    , Livermore
    Livermore, California
    Livermore is a city in Alameda County. The population as of 2010 was 80,968. Livermore is located on the eastern edge of California's San Francisco Bay Area....

    , Pleasanton
    Pleasanton, California
    Pleasanton is a city in Alameda County, California, incorporated in 1894. It is a suburb in the San Francisco Bay Area located about east of Oakland, and west of Livermore. The population was 70,285 at the 2010 census. In 2005 and 2007, Pleasanton was ranked the wealthiest middle-sized city in...

    , San Ramon
    San Ramon, California
    -2010 census:The 2010 United States Census reported that San Ramon had a population of 72,148. The population density was 3,991.1 people per square mile...

    , Martinez
    Martinez, California
    Martinez is a city and the county seat of Contra Costa County, California, United States. The population was 35,824 at the 2010 census. The downtown is notable for its large number of preserved old buildings...

    , and Antioch
    Antioch, California
    Antioch is a city in Contra Costa County, California. Located in the East Bay region of the San Francisco Bay Area along the San Joaquin-Sacramento River Delta, it is a suburb of San Francisco and Oakland. The city's population was 102,372 at the U.S...

    ; eastern Alameda and Contra Costa Counties. (Split from 510
    Area code 510
    North American area code 510 is a California telephone area code which covers most eastern Bay Area cities in Alameda County , and western Contra Costa County...

     on March 14, 1998)
  • 949
    Area code 949
    Area code 949 is an area code in California that is contained mostly within the southern areas of Orange County. It also includes a small adjacent area of northwest San Diego County, specifically parts of Marine Corps Base Camp Pendleton and San Onofre State Park...

    - Irvine
    Irvine, California
    Irvine is a suburban incorporated city in Orange County, California, United States. It is a planned city, mainly developed by the Irvine Company since the 1960s. Formally incorporated on December 28, 1971, the city has a population of 212,375 as of the 2010 census. However, the California...

    , Laguna Beach
    Laguna Beach, California
    Laguna Beach is a seaside resort city and artist community located in southern Orange County, California, United States, approximately southwest of the county seat of Santa Ana...

    , Newport Beach
    Newport Beach, California
    Newport Beach, incorporated in 1906, is a city in Orange County, California, south of downtown Santa Ana. The population was 85,186 at the 2010 census.The city's median family income and property values consistently place high in national rankings...

    , San Juan Capistrano
    San Juan Capistrano, California
    San Juan Capistrano is a city in southern Orange County, California, located approximately southeast of Downtown Santa Ana. The current OMB metropolitan designation for San Juan Capistrano and the Orange County Area is “Santa Ana-Anaheim-Irvine, CA.” The population was 34,593 at the 2010 census,...

    , San Clemente
    San Clemente, California
    San Clemente is a city in Orange County, California. The population was 63,522 at the 2010 census. Located on the California Coast, midway between Los Angeles and San Diego at the southern tip of the county, it is known for its ocean, hill, and mountain views, a pleasant climate and its Spanish...

    ; southern and eastern Orange County
    Orange County, California
    Orange County is a county in the U.S. state of California. Its county seat is Santa Ana. As of the 2010 census, its population was 3,010,232, up from 2,846,293 at the 2000 census, making it the third most populous county in California, behind Los Angeles County and San Diego County...

    . (Split from 714 on April 18, 1998)
  • 951
    Area code 951
    North American area code 951 is a California telephone area code which covers western Riverside County and was split off from the 909 area code in 2004. Until 1992, the area covered by 951 was part of area code 714...

    - Riverside
    Riverside, California
    Riverside is a city in Riverside County, California, United States, and the county seat of the eponymous county. Named for its location beside the Santa Ana River, it is the largest city in the Riverside-San Bernardino-Ontario metropolitan area of Southern California, 4th largest inland California...

    , Corona
    Corona, California
    Corona is a city in Riverside County, California, United States. As of the 2010 census, the city had a population of 152,374, up from 124,966 at the 2000 census...

    , Moreno Valley
    Moreno Valley, California
    Moreno Valley is a city located in Riverside County, California.A relatively young city, its rapid growth in the 1980s and the first decade of the 21st century made it second-largest city in Riverside County by population, and one of the Inland Empire's population centers. As of the 2010 census,...

    , Perris
    Perris, California
    Perris is a city in Riverside County, California, USA. At the 2010 census, the city population was 68,386, up from 36,189 at the 2000 census. The city is named in honor of Fred T. Perris, chief engineer of the California Southern Railroad...

    , Temecula
    Temecula, California
    Temecula is a city in southwestern Riverside County, California, United States with a population of 100,097 according to the 2010 United States Census, making it the lowest populated American city over 100,000 population. It was incorporated on December 1, 1989...

    , Murrieta
    Murrieta, California
    Murrieta has a Mediterranean climate or Dry-Summer Subtropical . Murrieta has plenty of sunshine throughout the year, with an average of 263 sunshine days and 35 days with measurable precipitation annually....

    ; western Riverside County
    Riverside County, California
    Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...

    . (Split from 909
    Area code 909
    Area code 909 is a California telephone area code that was split from area code 714 on November 14, 1992. Western Riverside County was split off from 909 into area code 951 on July 17, 2004...

    on July 17, 2004)

External links

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