Who Controls California Area Codes?
California area codes are the first three digits of phone numbers typically generated for specific regions and geographical areas within the state. Having a good knowledge of area codes in California may help in recognizing malicious and potentially fraudulent calls, as well as make better use of reverse phone number search services. Below are a list of all area codes in California and their locations:
| 209 - Location | 442 - Location | 714 - Location | 951 - Location |
| 213 - Location | 619 - Location | 747 - Location | 510 - Location |
| 279 - Location | 626 - Location | 831 - Location | 530 - Location |
| 310 - Location | 628 - Location | 840 - Location | 559 - Location |
| 323 - Location | 650 - Location | 858 - Location | 562 - Location |
| 341 - Location | 657 - Location | 909 - Location | 760 - Location |
| 408 - Location | 661 - Location | 916 - Location | 805 - Location |
| 415 - Location | 669 - Location | 925 - Location | 818 - Location |
| 424 - Location | 707 - Location | 949 - Location | 820 - Location |
Tasked by the FCC, the California Public Utility Commission (CPUC) is responsible for generating new area codes and maintaining phone numbers in California. Due to increasing consumer demands for phone numbers, prefix codes are regularly being exhausted necessitating the need for new area codes.
Where is Area Code 209?
California area code 209 covers some parts of Amador County, Mariposa County, Merced County, Tuolumne County, San Joaquin Valley, Sacramento County, and Stanislaus County, including the big City of Modesto.
Where is Area Code 310/424?
Overlaid in 2006, Area Code 310/424 serves California area code 209 covers some parts of Westside and South Bay Region including the cities of Beverly Hills, Manhattan Beach, Malibu, Avalon, Artesia, Compton, Carson, Culver City, El Segundo, Gardena, Hawthorne, Hermosa Beach, Inglewood, Lawndale, Lomita, Long Beach, Maywood, Palos Verdes Estates, Rancho Palos Verdes, Redondo Beach, Rolling Hills, Rolling Hills Estates, Santa Monica, and Torrance.
Where is Area Code 323/213?
Area Code 323/213 covers a considerable portion of the City of Los Angeles as well as surrounding cities including Montebello, South Gate, Vernon, and West Hollywood cities.
Where is Area Code 510/341?
Overlaid in 2019, Area Code 510/341 covers the west sides of Alameda County and Contra Costa County. Cities in these regions include San Pablo, Richmond, Hercules, Pinole, Alameda, Berkeley, Oakland, Albany, Fremont, Emeryville, Newark, Hayward, Piedmont, Union City, and San Leandro cities.
Where are Area Codes 408 and 669?
Area Code 408 and 669 are used by the majority of Santa Clara County, and some parts of Santa Cruz County and Alameda County. Specific cities covered include portions of Palo Alto, Sunnyvale, Saratoga, Santa Clara, Morgan Hill, Monte Sereno, Milpitas, Los Gatos, Gilroy, Cities of Cupertino, and the City of San Jose.
Where are Area Codes 415 and 628?
Effective as from March 2015, area code 415 was overlaid with 628. Both area codes cover greater portions of the San Francisco Bay area including the County of San Francisco and the City of Francisco, the majority of Marin County, and some parts of San Mateo County.
Where is Area Code 530?
Area code 530 covers Chico, Davis, Lake Tahoe region, Marysville, Northern Sierra Nevada, the majority of the Sacramento Valley, Oroville, Placerville, Redding, Red Bluff, Shasta Cascade, Truckee, and Yuba City.
Where is Area Code 559?
Area Code 559 serves the majority of Fresno County, Tulare County, the central part of San Joaquin Valley, as well as the Southern Nevada range.
Where is Area Code 562?
California Area code 562 is used by residents of small portions of Orange County, southeastern parts of Los Angeles County including the following cities: Los Alamitos, Seal Beach, Bell, Bellflower, Cerritos, Downey, Hawaiian Gardens, Huntington Park, La Habra Heights, Lakewood, La Mirada, Long Beach, Lynwood, Paramount, Pico Rivera, Santa Fe Springs, and some areas in Whittier.
Where are Area Codes 619 and 858?
The areas covered by area codes 619 and 858 include most cities and unincorporated areas of San Diego County. It is also used by telephone customers in the La Habra City of Orange County.
Where is Area Code 626?
California area code 626 is assigned to the eastern suburbs of Los Angeles County, including cities of Alhambra, Arcadia, Azusa, Baldwin Park, Bradbury, Covina, Duarte, El Monte, Glendale, Glendora, Irwindale, La Puente, Monrovia, Monterey Park, Rose Mead, Pasadena, San Gabriel, San Marino, Sierra Madre, South El Monte, South Pasadena, Temple City, Walnut, West Covina, and some parts of Whittier.
Where is Area Code 650?
Regions in California covered by area code 650 include more significant parts of San Mateo County, as well as Mountain View and Palo Alto in northwestern Santa Clara County.
Where is Area Code 661?
California 661 area code stretches across Imperial City, most parts of Kern County, Southside of San Joaquin Valley, northern parts of Los Angeles County as well as Bakersfield, Santa Clarita, and Palmdale cities.
Where are Area Codes 714 and 657?
Area code 714 and 657 are mainly issued to telephone customers living in some parts of Orange County including the cities of Fountain Valley, Fullerton, Garden Grove, Huntington Beach, Anaheim, Brea, Buena Park, Cypress, and Costa Mesa.
Where is Area Code 707?
Area Code 707 is provided to telephone customers residing in the Northern Coast with the exception of Marin County. Counties and cities covered include most of Solano County, Sonoma County, some cities in Mendocino County, Napa County, Humboldt County (including Eureka), and Lake County.
Where are Area Codes 760 and 442?
To accommodate the increasing consumer requests for phone numbers covered by 760 area code, area code 442 was introduced. Both area codes 760 and 442 serve regions in the far south-eastern third of the State of California.
Where are Area Codes 805 and 820?
California Area Codes 805 and 820 covers the greater parts of Ventura, Santa Barbara, and San Luis Obispo Counties. It also extends to small parts of Kern and Monterey Counties.
Where are Area Codes 818 and 747?
Overlaid area codes 818 and 747 serve most of the San Fernando Valley area of Los Angeles County.
Where is Area Code 831?
Area code 831 provides phone area codes to parts of Hollister, Monterey, Salinas, and Santa Cruz Counties. It also serves the northern region of the Central Coast.
Where are Area Codes 840 and 909?
Geographical areas that use 840 and 909 area codes include the Eastern side of Los Angeles County, the southwestern side of San Bernardino County, and some areas of Riverside County and Orange County.
Where is Area Code 916/279?
California area codes 916 and 279 spans across the Sacramento area which comprises Placer, Sacramento, Yolo, Solano, Sutter, and El Dorado counties.
Where is Area Code 925?
Created from 510 area code, area code 925 services multiple counties and cities including Concord, Antioch, Martinez, Livermore, San Ramon, Pleasanton, and Walnut Creek. This area code also covers Contra Costa County and the eastern portion of Alameda county.
Where is Area Code 949?
Located in California, Area Code 949 stretches over many cities in southern and eastern Orange County. These cities include Irvine, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Mission Viejo, Newport Beach, Rancho Santa Margarita, San Clemente, San Juan Capistrano, and parts of Villa Park.
Where is Area Code 951?
Split from 909, 951 California area code covers some cities in Riverside County including Corona, Riverside, Murrieta, Corona, Moreno Valley, Perris, Temecula; as well as western Riverside County.