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State directory / California

US number directory / California

California
area codes

California has 41 geographic area codes in the NANPA snapshot, with 213, 415, 916 the earliest listed (1947).

41geographic area codes
in this reference
Earliest listed213, 415, 916 · 1947
Standard timePT
Overlays in this stateYes — see code notes

Major city starting points

Sacramento (capital): 279, 916; Los Angeles (largest city in state reference): 213, 310, 323, 424, 562, 661, 738, 747, 818, 840, 909.

CityReference roleCodes to check
SacramentoCapital279, 916
Los AngelesLargest city in state reference213, 310, 323, 424, 562, 661, 738, 747, 818, 840, 909

City reference · 2026-10-25

Codes, cities & coverage

California's active territorial overlay complexes are 209/350; 213/323/738; 279/916; 310/424; 341/510; 357/559; 369/707; 408/669; 415/628; 442/760; 530/837; 619/858; 657/714; 747/818; 805/820; 840/909.

CodeRegion / major cities named in the referenceIntroducedActive overlay complexes
209Part of central California ( Stockton , Modesto , and Merced , extending into central Yosemite National Park )01-Jan-1958209/350
213California (central area of Los Angeles )01-Jan-1947213/323/738
279California (the Sacramento Metropolitan Area )10-Mar-2018279/916
310California (southwestern coastal and coastal-adjacent areas of Los Angeles County , including Beverly Hills , Brentwood, Malibu, Pacific Palisades, Redondo Beach, Santa Monica, Torrance, and Santa Catalina Island)02-Nov-1991310/424
323California ( Downtown Los Angeles and surrounding areas)13-Jun-1998213/323/738
341California (coastal regions of the East Bay — Oakland , Fremont, Hayward, Richmond, Berkeley, and Alameda)22-Jul-2019341/510
350California ( Stockton , Modesto , Merced , Tracy, San Andreas, and a part of central California extending into central Yosemite National Park)28-Nov-2022209/350
357California ( Fresno , Hanford, Madera, Tulare, Visalia, and parts of the San Joaquin Valley )26-Mar-2025357/559
369California ( Vallejo , Crescent City, Eureka, Redwoods National Park , Santa Rosa, Ukiah, and most of northwestern California)01-Feb-2023369/707
408California ( San Jose , Cupertino , Los Altos, Los Altos Hills, Los Gatos, Milpitas, Mountain View, Santa Clara, Sunnyvale, and Silicon Valley )01-Jan-1959408/669
415California ( San Francisco , Daly City, Brisbane, and most of Marin County )01-Jan-1947415/628
424California (southwestern coastal and coastal-adjacent areas of Los Angeles County; also Santa Catalina Island)26-Aug-2006310/424
442California (most of the desert and mountain portions of the southeastern two-thirds of California)21-Nov-2009442/760
510California (coastal regions of the East Bay : Oakland , Fremont, Hayward, Richmond, Berkeley, and Alameda)02-Sep-1991341/510
530California ( Redding , Auburn , Chico, Davis, the California shore of Lake Tahoe , Placerville, Susanville, Truckee, Yreka , and most of northeastern California)01-Nov-1997530/837
559California ( Fresno , Hanford, Madera, Tulare, Visalia, and parts of the San Joaquin Valley )14-Nov-1998357/559
562California (Downey, Long Beach , Whittier, Norwalk, La Habra, Lakewood, Pico Rivera, and most of southeastern Los Angeles County )25-Jan-1997None active in NANPA snapshot
619California ( San Diego and suburbs)01-Jan-1982619/858
626California ( San Gabriel Valley )14-Jun-1997None active in NANPA snapshot
628California ( San Francisco , Daly City, Brisbane, and most of Marin County )21-Mar-2015415/628
650California (Daly City, South San Francisco, Palo Alto , Redwood City, Menlo Park, Mountain View, San Mateo, Santa Clara)02-Aug-1997None active in NANPA snapshot
657California (Northern Orange County : Anaheim , Fullerton , Garden Grove, Huntington Beach , Orange, Santa Ana , and portions Newport Beach and Costa Mesa)23-Sep-2008657/714
661California (Northern Los Angeles County , including Lancaster , Palmdale , and Santa Clarita ; and most of Kern County , including Bakersfield , Mojave, and Edwards Air Force Base )13-Feb-1999None active in NANPA snapshot
669California (San Jose, Cupertino, Los Altos, Los Altos Hills, Los Gatos, Milpitas, Mountain View, Santa Clara, Sunnyvale, and Silicon Valley)20-Nov-2012408/669
707California ( Vallejo , Crescent City, Eureka, Redwoods National Park , Santa Rosa, Ukiah, and most of northwestern California)01-Jan-1959369/707
714California (Northern Orange County : Anaheim , Fullerton , Garden Grove, Huntington Beach , Orange, Santa Ana , and portions of Newport Beach, Costa Mesa, and Tustin)01-Jan-1951657/714
738California (nearly the entire city of Los Angeles outside of the San Fernando Valley and smaller cities and unincorporated areas of Los Angeles County immediately to the south or east)01-Nov-2024213/323/738
747California (the San Fernando Valley portion of Los Angeles County , including Burbank, Canoga Park, Encino, Glendale, North Hollywood, Northridge, Panorama City, Reseda, San Fernando, Sylmar, Tarzana, Van Nuys, and Woodland Hills)18-May-2009747/818
760California (most of the desert and mountain portions of the southeastern two-thirds of California)22-Mar-1997442/760
805California ( Ventura , San Luis Obispo , and Santa Barbara Counties)01-Jan-1957805/820
818California (the San Fernando Valley portion of Los Angeles County , including Burbank , Canoga Park, Encino, Glendale, North Hollywood, Northridge, Panorama City, Reseda, San Fernando, Sylmar, Tarzana , Van Nuys , and Woodland Hills)07-Jan-1984747/818
820California ( Ventura , San Luis Obispo , and Santa Barbara Counties)30-Jun-2018805/820
831California ( Monterey County , including Salinas and Monterey ); San Benito County (including Hollister ); and Santa Cruz County (including Santa Cruz and Watsonville )11-Jul-1998None active in NANPA snapshot
837California ( Redding , Auburn , Chico, Davis, the California shore of Lake Tahoe , Placerville, Susanville, Truckee, Yreka , and most of northeastern California)31-Jan-2025530/837
840California (southwestern San Bernardino County and a small portion of Los Angeles and Riverside counties, including Fontana , Pomona , Chino Hills , Claremont , Chino , Ontario , and Redlands )23-Feb-2021840/909
858California ( San Diego and suburbs)12-Jun-1999619/858
909California (southwestern San Bernardino County and a small portion of Los Angeles and Riverside Counties , including Fontana , Pomona , Chino Hills , Claremont , Chino , Ontario , and Redlands )14-Nov-1992840/909
916California (the Sacramento Metropolitan Area )01-Jan-1947279/916
925California (inland regions of the East Bay : Livermore , Concord, Pleasant Hill, Walnut Creek, Martinez, Pleasanton, and Dublin, just east of the hills that ring San Francisco Bay )14-Mar-1998None active in NANPA snapshot
949California (Southern Orange County : Irvine , Lake Forest , Mission Viejo , Corona del Mar , San Clemente, Laguna Beach, Dana Point, San Juan Capistrano, Rancho Santa Margarita, and parts of Newport Beach and Costa Mesa)18-Apr-1998None active in NANPA snapshot
951California (western Riverside County , including Riverside , Corona , Hemet , Lake Elsinore , Moreno Valley , Murrieta , Temecula , etc.)17-Jul-2004None active in NANPA snapshot

NANPA dates & overlays · 2026-10-25
Wikipedia geography · 2026-10-25 · CC BY-SA 4.0

City lookup notes

Los Angeles

Los Angeles region: 213, 310, 323, 424, 562, 661, 738, 747, 818, 840, 909.

San Diego

San Diego region: 619, 858.

San Jose

San Jose region: 408, 669.

Time zones

California spans 1 standard-time offset in the state reference: PT.

Standard offsetRegionDaylight saving
UTC−08:00 PTPacific Standard TimeYes
Time-zone source · Coverage and dialing caveats
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