| City | Area Code | Dialing Code |
|---|---|---|
| Agoura Hills | 747 | +1 747 |
| Agoura Hills | 818 | +1 818 |
| Alameda | 510 | +1 510 |
| Alhambra | 626 | +1 626 |
| Aliso Viejo | 949 | +1 949 |
| Altadena | 626 | +1 626 |
| Anaheim | 657 | +1 657 |
| Anaheim | 714 | +1 714 |
| Antioch | 925 | +1 925 |
| Apple Valley | 442 | +1 442 |
| Apple Valley | 760 | +1 760 |
| Arcadia | 626 | +1 626 |
| Arden-Arcade | 916 | +1 916 |
| Atascadero | 805 | +1 805 |
| Atwater | 209 | +1 209 |
| Azusa | 626 | +1 626 |
| Bakersfield | 661 | +1 661 |
| Baldwin Park | 626 | +1 626 |
| Banning | 951 | +1 951 |
| Barstow | 442 | +1 442 |
| Barstow | 760 | +1 760 |
| Bay Point | 925 | +1 925 |
| Bell | 323 | +1 323 |
| Bell Gardens | 323 | +1 323 |
| Bellflower | 562 | +1 562 |
| Belmont | 650 | +1 650 |
| Benicia | 707 | +1 707 |
| Berkeley | 510 | +1 510 |
| Beverly Hills | 310 | +1 310 |
| Beverly Hills | 424 | +1 424 |
| Brawley | 442 | +1 442 |
| Brawley | 760 | +1 760 |
| Brea | 657 | +1 657 |
| Brea | 714 | +1 714 |
| Brentwood | 925 | +1 925 |
| Buena Park | 657 | +1 657 |
| Buena Park | 714 | +1 714 |
| Burbank | 747 | +1 747 |
| Burbank | 818 | +1 818 |
| Burlingame | 650 | +1 650 |
| Calabasas | 747 | +1 747 |
| Calabasas | 818 | +1 818 |
| Calexico | 442 | +1 442 |
| Calexico | 760 | +1 760 |
| Camarillo | 805 | +1 805 |
| Campbell | 408 | +1 408 |
| Campbell | 669 | +1 669 |
| Carlsbad | 442 | +1 442 |
| Carlsbad | 760 | +1 760 |
| Carmichael | 916 | +1 916 |
| Castro Valley | 510 | +1 510 |
| Cathedral City | 442 | +1 442 |
| Cathedral City | 760 | +1 760 |
| Ceres | 209 | +1 209 |
| Cerritos | 562 | +1 562 |
| Chico | 530 | +1 530 |
| Chino | 909 | +1 909 |
| Chino Hills | 909 | +1 909 |
| Chula Vista | 619 | +1 619 |
| Citrus Heights | 916 | +1 916 |
| Claremont | 909 | +1 909 |
| Clovis | 559 | +1 559 |
| Coachella | 442 | +1 442 |
| Coachella | 760 | +1 760 |
| Colton | 909 | +1 909 |
| Concord | 925 | +1 925 |
| Corona | 951 | +1 951 |
| Coronado | 619 | +1 619 |
| Costa Mesa | 949 | +1 949 |
| Cudahy | 323 | +1 323 |
| Culver City | 310 | +1 310 |
| Culver City | 424 | +1 424 |
| Cypress | 657 | +1 657 |
| Cypress | 714 | +1 714 |
| Daly City | 650 | +1 650 |
| Dana Point | 949 | +1 949 |
| Danville | 925 | +1 925 |
| Davis | 530 | +1 530 |
| Delano | 661 | +1 661 |
| Diamond Bar | 909 | +1 909 |
| Downey | 562 | +1 562 |
| Duarte | 626 | +1 626 |
| Dublin | 925 | +1 925 |
| East Los Angeles | 323 | +1 323 |
| East Palo Alto | 650 | +1 650 |
| El Cajon | 619 | +1 619 |
| El Centro | 442 | +1 442 |
| El Centro | 760 | +1 760 |
| El Cerrito | 510 | +1 510 |
| Elk Grove | 916 | +1 916 |
| Encinitas | 442 | +1 442 |
| Encinitas | 760 | +1 760 |
| Escondido | 442 | +1 442 |
| Escondido | 760 | +1 760 |
| Eureka | 707 | +1 707 |
| Fairfield | 707 | +1 707 |
| Fallbrook | 442 | +1 442 |
| Fallbrook | 760 | +1 760 |
| Florence-Graham | 323 | +1 323 |
| Florin | 916 | +1 916 |
| Folsom | 916 | +1 916 |
| Fontana | 909 | +1 909 |
| Foster City | 650 | +1 650 |
| Fountain Valley | 657 | +1 657 |
| Fountain Valley | 714 | +1 714 |
| Fremont | 510 | +1 510 |
| Fresno | 559 | +1 559 |
| Fullerton | 657 | +1 657 |
| Fullerton | 714 | +1 714 |
| Garden Grove | 657 | +1 657 |
| Garden Grove | 714 | +1 714 |
| Gardena | 310 | +1 310 |
| Gardena | 424 | +1 424 |
| Gilroy | 408 | +1 408 |
| Gilroy | 669 | +1 669 |
| Glendora | 626 | +1 626 |
| Goleta | 805 | +1 805 |
| Hacienda Heights | 626 | +1 626 |
| Hanford | 559 | +1 559 |
| Hawthorne | 310 | +1 310 |
| Hawthorne | 424 | +1 424 |
| Hayward | 510 | +1 510 |
| Hemet | 951 | +1 951 |
| Hesperia | 442 | +1 442 |
| Hesperia | 760 | +1 760 |
| Highland | 909 | +1 909 |
| Hollister | 831 | +1 831 |
| Huntington Beach | 657 | +1 657 |
| Huntington Beach | 714 | +1 714 |
| Huntington Park | 323 | +1 323 |
| Imperial Beach | 619 | +1 619 |
| Indio | 442 | +1 442 |
| Indio | 760 | +1 760 |
| Inglewood | 310 | +1 310 |
| Inglewood | 424 | +1 424 |
| Irvine | 949 | +1 949 |
| La Cañada Flintridge | 747 | +1 747 |
| La Cañada Flintridge | 818 | +1 818 |
| La Habra | 562 | +1 562 |
| La Mesa | 619 | +1 619 |
| La Mirada | 562 | +1 562 |
| La Presa | 619 | +1 619 |
| La Puente | 626 | +1 626 |
| La Quinta | 442 | +1 442 |
| La Quinta | 760 | +1 760 |
| La Riviera | 916 | +1 916 |
| La Verne | 909 | +1 909 |
| Lafayette | 925 | +1 925 |
| Laguna | 916 | +1 916 |
| Laguna Beach | 949 | +1 949 |
| Laguna Hills | 949 | +1 949 |
| Laguna Niguel | 949 | +1 949 |
| Lake Forest | 949 | +1 949 |
| Lakewood | 562 | +1 562 |
| Lancaster | 661 | +1 661 |
| Lawndale | 310 | +1 310 |
| Lawndale | 424 | +1 424 |
| Lemon Grove | 619 | +1 619 |
| Lennox | 310 | +1 310 |
| Lennox | 424 | +1 424 |
| Livermore | 925 | +1 925 |
| Lodi | 209 | +1 209 |
| Lomita | 310 | +1 310 |
| Lomita | 424 | +1 424 |
| Lompoc | 805 | +1 805 |
| Long Beach | 562 | +1 562 |
| Los Altos | 650 | +1 650 |
| Los Angeles | 213 | +1 213 |
| Los Banos | 209 | +1 209 |
| Los Gatos | 408 | +1 408 |
| Los Gatos | 669 | +1 669 |
| Lynwood | 310 | +1 310 |
| Lynwood | 424 | +1 424 |
| Madera | 559 | +1 559 |
| Manhattan Beach | 310 | +1 310 |
| Manhattan Beach | 424 | +1 424 |
| Manteca | 209 | +1 209 |
| Marina | 831 | +1 831 |
| Martinez | 925 | +1 925 |
| Maywood | 323 | +1 323 |
| Menlo Park | 650 | +1 650 |
| Merced | 209 | +1 209 |
| Millbrae | 650 | +1 650 |
| Milpitas | 408 | +1 408 |
| Milpitas | 669 | +1 669 |
| Mission Viejo | 949 | +1 949 |
| Monrovia | 626 | +1 626 |
| Montclair | 909 | +1 909 |
| Montebello | 323 | +1 323 |
| Monterey | 831 | +1 831 |
| Monterey Park | 626 | +1 626 |
| Moorpark | 805 | +1 805 |
| Moreno Valley | 951 | +1 951 |
| Morgan Hill | 408 | +1 408 |
| Morgan Hill | 669 | +1 669 |
| Mountain View | 650 | +1 650 |
| Murrieta | 951 | +1 951 |
| Napa | 707 | +1 707 |
| National City | 619 | +1 619 |
| Newark | 510 | +1 510 |
| Newport Beach | 949 | +1 949 |
| Norco | 951 | +1 951 |
| North Fair Oaks | 916 | +1 916 |
| North Glendale | 747 | +1 747 |
| North Glendale | 818 | +1 818 |
| North Highlands | 916 | +1 916 |
| North Tustin | 657 | +1 657 |
| North Tustin | 714 | +1 714 |
| Norwalk | 562 | +1 562 |
| Novato | 415 | +1 415 |
| Novato | 628 | +1 628 |
| Oakland | 510 | +1 510 |
| Oakley | 925 | +1 925 |
| Oceanside | 442 | +1 442 |
| Oceanside | 760 | +1 760 |
| Oildale | 661 | +1 661 |
| Ontario | 909 | +1 909 |
| Orange | 657 | +1 657 |
| Orange | 714 | +1 714 |
| Orangevale | 916 | +1 916 |
| Orcutt | 805 | +1 805 |
| Oxnard | 805 | +1 805 |
| Pacifica | 650 | +1 650 |
| Palm Desert | 442 | +1 442 |
| Palm Desert | 760 | +1 760 |
| Palm Springs | 442 | +1 442 |
| Palm Springs | 760 | +1 760 |
| Palmdale | 661 | +1 661 |
| Palo Alto | 650 | +1 650 |
| Paradise | 530 | +1 530 |
| Paramount | 562 | +1 562 |
| Paso Robles | 805 | +1 805 |
| Perris | 951 | +1 951 |
| Petaluma | 707 | +1 707 |
| Pico Rivera | 562 | +1 562 |
| Pittsburg | 925 | +1 925 |
| Placentia | 657 | +1 657 |
| Placentia | 714 | +1 714 |
| Pleasant Hill | 925 | +1 925 |
| Pleasanton | 925 | +1 925 |
| Pomona | 909 | +1 909 |
| Port Hueneme | 805 | +1 805 |
| Porterville | 559 | +1 559 |
| Poway | 858 | +1 858 |
| Rancho Cordova | 916 | +1 916 |
| Rancho Cucamonga | 909 | +1 909 |
| Rancho Palos Verdes | 310 | +1 310 |
| Rancho Palos Verdes | 424 | +1 424 |
| Rancho San Diego | 619 | +1 619 |
| Rancho Santa Margarita | 949 | +1 949 |
| Redding | 530 | +1 530 |
| Redlands | 909 | +1 909 |
| Redondo Beach | 310 | +1 310 |
| Redondo Beach | 424 | +1 424 |
| Redwood City | 650 | +1 650 |
| Reedley | 559 | +1 559 |
| Rialto | 909 | +1 909 |
| Richmond | 510 | +1 510 |
| Ridgecrest | 442 | +1 442 |
| Ridgecrest | 760 | +1 760 |
| Riverside | 951 | +1 951 |
| Rocklin | 916 | +1 916 |
| Rohnert Park | 707 | +1 707 |
| Rosemead | 626 | +1 626 |
| Rosemont | 916 | +1 916 |
| Roseville | 916 | +1 916 |
| Rowland Heights | 626 | +1 626 |
| Rubidoux | 951 | +1 951 |
| Sacramento | 916 | +1 916 |
| Salinas | 831 | +1 831 |
| San Anselmo | 415 | +1 415 |
| San Anselmo | 628 | +1 628 |
| San Bernardino | 909 | +1 909 |
| San Bruno | 650 | +1 650 |
| San Carlos | 650 | +1 650 |
| San Clemente | 949 | +1 949 |
| San Diego | 619 | +1 619 |
| San Dimas | 909 | +1 909 |
| San Fernando | 747 | +1 747 |
| San Fernando | 818 | +1 818 |
| San Jose | 408 | +1 408 |
| San Jose | 669 | +1 669 |
| San Juan Capistrano | 949 | +1 949 |
| San Leandro | 510 | +1 510 |
| San Lorenzo | 510 | +1 510 |
| San Luis Obispo | 805 | +1 805 |
| San Marcos | 442 | +1 442 |
| San Marcos | 760 | +1 760 |
| San Mateo | 650 | +1 650 |
| San Pablo | 510 | +1 510 |
| San Rafael | 415 | +1 415 |
| San Rafael | 628 | +1 628 |
| San Ramon | 925 | +1 925 |
| Santa Ana | 657 | +1 657 |
| Santa Ana | 714 | +1 714 |
| Santa Barbara | 805 | +1 805 |
| Santa Clara | 408 | +1 408 |
| Santa Clara | 669 | +1 669 |
| Santa Clarita | 661 | +1 661 |
| Santa Cruz | 831 | +1 831 |
| Santa Maria | 805 | +1 805 |
| Santa Monica | 310 | +1 310 |
| Santa Monica | 424 | +1 424 |
| Santa Paula | 805 | +1 805 |
| Santa Rosa | 707 | +1 707 |
| Santee | 619 | +1 619 |
| Saratoga | 408 | +1 408 |
| Saratoga | 669 | +1 669 |
| Seal Beach | 562 | +1 562 |
| Seaside | 831 | +1 831 |
| Simi Valley | 805 | +1 805 |
| South El Monte | 626 | +1 626 |
| South El Monte | 626 | +1 626 |
| South Gate | 323 | +1 323 |
| South Lake Tahoe | 530 | +1 530 |
| South Pasadena | 626 | +1 626 |
| South Pasadena | 626 | +1 626 |
| South San Francisco | 415 | +1 415 |
| South San Francisco | 628 | +1 628 |
| South San Francisco | 650 | +1 650 |
| South San Gabriel | 626 | +1 626 |
| South San Jose Hills | 626 | +1 626 |
| South Whittier | 562 | +1 562 |
| Spring Valley | 619 | +1 619 |
| Stanton | 657 | +1 657 |
| Stanton | 714 | +1 714 |
| Stockton | 209 | +1 209 |
| Suisun | 707 | +1 707 |
| Sunnyvale | 408 | +1 408 |
| Sunnyvale | 669 | +1 669 |
| Temecula | 951 | +1 951 |
| Temple City | 626 | +1 626 |
| Thousand Oaks | 805 | +1 805 |
| Torrance | 310 | +1 310 |
| Torrance | 424 | +1 424 |
| Tracy | 209 | +1 209 |
| Tulare | 559 | +1 559 |
| Turlock | 209 | +1 209 |
| Union City | 510 | +1 510 |
| Upland | 909 | +1 909 |
| Vacaville | 707 | +1 707 |
| Valinda | 626 | +1 626 |
| Vallejo | 707 | +1 707 |
| Ventura | 805 | +1 805 |
| Victorville | 442 | +1 442 |
| Victorville | 760 | +1 760 |
| Visalia | 559 | +1 559 |
| Vista | 442 | +1 442 |
| Vista | 760 | +1 760 |
| Walnut | 626 | +1 626 |
| Walnut Creek | 925 | +1 925 |
| Wasco | 661 | +1 661 |
| Watsonville | 831 | +1 831 |
| West Carson | 310 | +1 310 |
| West Carson | 310 | +1 310 |
| West Carson | 424 | +1 424 |
| West Carson | 424 | +1 424 |
| West Covina | 626 | +1 626 |
| West Covina | 626 | +1 626 |
| West Hollywood | 323 | +1 323 |
| West Modesto | 209 | +1 209 |
| West Puente Valley | 626 | +1 626 |
| West Sacramento | 916 | +1 916 |
| West Whittier-Los Nietos | 562 | +1 562 |
| Westminster | 657 | +1 657 |
| Westminster | 714 | +1 714 |
| Westmont | 323 | +1 323 |
| Whittier | 562 | +1 562 |
| Windsor | 707 | +1 707 |
| Woodland | 530 | +1 530 |
| Yorba Linda | 657 | +1 657 |
| Yorba Linda | 714 | +1 714 |
| Yuba City | 530 | +1 530 |
| Yucaipa | 909 | +1 909 |