California Area Code Directory Information

Area codes are numbers that are used to designate a particular area in the telecommunications network. An area code is thus an integral part of the overall telecommunications structure of a city.

Plan of Area codes

Some states have a single operational area code, others have multiple codes. States like Florida, Texas and California fall under the category of states that have several area codes. States that have more than one area code have a three digit code with 1 in the middle.

California Area Codes

California Area Code Directory includes all the numbers listed under various area codes in the state.

Area Code 209: The code was created 1958. Area Code 209 in California covers areas such as Modesto, Merced, Livingston, San Andreas, the San Joaquin Valley, Stockton, Sierra Foothills, Tracy, Atwater, certain parts of the Central Valley and Winton.

Area code 310: Area code 310 covers the counties of Alameda, Orange, Kern, San Mateo, San Francisco, Contra Costa, and Riverside and covers important cities like Catalina Island, Malibu, Compton, Pacific Palisades and Beverley Hills.

Area Code 213: Area code 231 was introduced as one of the original area codes of the state that is it formed a part of the North American Numbering Plan. It became effective since 1947. The area code is operational in five counties of the state including Riverside, Orange, San Bernardino, Ventura, and Los Angeles and constituent 43 cities.

Area code 415: Area code 415 covers the city of San Francisco and neighboring areas like Marin County, Brisbane and Daly City. Area code 415 was also one of the original area codes designated for the state and effective since 1947. During its initial days, this area code was meant for Central California.

Area code 323: It was created in 1998 and has within its purview the central portions of the city of Los Angeles. This includes Hollywood and the adjoining neighborhoods of Chinatown, Koreatown and Echo Park. Some of the cities covered by area code 323 include City Terrace, Alhambra, Florence, Inglewood, Bell, Huntington Park, Rosemead, Pasadena, Walnut Park, Vernon and many others.

Area code 408: This area code was established in 1959 after a split in the area code 415. The areas covered by the code include names like Morgan Hill, Milpitas, Cupertino, Gilroy, Monte Sereno, Santa Clara, Los Gatos, San Jose and Sunnyvale.

Area code 530: Area code 530 was created in 1997 following the decision to split the existing area code 916. It covers regions like Chico, Davis, Placerville, Truckee, Yuba City, Auburn, Grass Valley, Redding, Susanville, Marysville, Red Bluff and Oroville.

Area code 510: Area code came into existence after the operational area code 415 was split as a result of heavy demand. The area code covers as many 17 counties including El Dorado, San Mateo, Santa Cruz, Alameda, Marin, San Diego, Contra Costa, Sacramento, San Joaquin, Los Angeles, Solano, Napa and Humboldt.

Area code 562: Area code 562 came into operation in 1997 after it was decided to divide the areas that were served by area code of 310. The area code serves the cities of Lakewood, Whittier, Cerritos, Norwalk, Downey, Pico Rivera and Cerritos.

Area Code 559: Area code 559 is the designated area code for 11 counties and 559 cities in California. These include Los Angeles, Alameda, Tulare, Kings, San Diego, Madera, Kern, Merced, Fresno, Mariposa and Stanislaus. There are 579 exchanges operating under area code 559.

Area code 657: Area code 657 serves 5 cities in California. These include Santa Ana, Anaheim, Westminster, Fullerton, and Huntington Beach. The area code is divided into six exchanges and these include Exchange number 201,202, 200, 859,278 and 859. Area code 657 was introduced as part of the overlay plan and was an overlay of area code 714.

Area code 619: Area code 619 began functioning since November 1982. It covers 69 cities and the list includes names like Oceanside, Carlsbad, Santa Clara, Walnut Creek, Laguna Hills, Imperial Beach, Camp Pendleton, National City, Solana Beach, Tecate Valley, Rancho Santa Fe, San Marcos, Sherman Oaks and several others.

Area code 650: Area code covers a large part of the San Mateo County along with the northwestern fringes of the Santa Clara County and 10 other counties. There are 47 cities and 596 exchanges that are served by the code.

Area code 626: This is the designated code for the San Gabriel Valley and the adjoining areas of El Monte, Arcadia, West Covina, Monrovia and certain sections of Pasadena. These sections were earlier under area code 818 but were placed under this newly introduced code from 14th June 1997 onwards.

Area code 707: Area code 707 was created for places such as Vacaville, Napa, Eureka, Petaluma, Fort Bragg, Clearlake, Santa Rosa, Vallejo, Sebastopol, Crescent City, Petaluma, Fairfield, Ukiah and Benicia.  The code began functioning since 1959.

Area code 661: Sections of the Los Angeles County, Santa Barbara County, Kern County and Tulare County are served by area code area code 661. Important cities within this area code include Palmdale, Bakersfield, Lancaster and Santa Clarita.

Area code 714: Area code 714 was created after splitting the existing area code of 213 and covers 9 counties, 74 cities and 778 exchanges. These include cities like San Clemente, Cypress, Atwood, Long Beach, San Diego, Paramount, Hawthorne, Bloomington, Santa Monica and several others.

Area code 760: This area code covers mostly the southern parts of the state and is in operation in 9 counties of the state including, Mono, Imperial, Kern, San Diego, Orange and San Bernardino.

Area code 805: The counties of Santa Barbara, San Luis Obispo and Ventura and sections of the Monterey County fall within area code 805. The code serves a total of 12 counties and 70 cities.

Apart from the area codes mentioned above, California also has other area codes that are in operation in different parts of the state. These include area codes 818, 916, 831, 909, 951, 916, 949 and 925. There are some overlay codes as well and these include area codes 442, 424, and 747.