STATE DIRECTORY

California

38 area codes cover this state

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All Area Codes

California CA

Click to view area code details and available numbers

209 Stockton Geographic 38,308 numbers 213 Los Angeles Geographic 150,375 numbers 279 Sacramento Geographic 45,947 numbers 310 Los Angeles Geographic 19,417 numbers 323 Los Angeles Geographic 14,815 numbers 341 Oakland Geographic 46,035 numbers 350 San Jose Geographic 35,641 numbers 369 San Jose Geographic 24,290 numbers 408 San Jose Geographic 36,777 numbers 415 San Francisco Geographic 23,757 numbers 424 Los Angeles Geographic 111,407 numbers 442 Oceanside Geographic 102,566 numbers 510 Oakland Geographic 29,608 numbers 530 Redding Geographic 90,330 numbers 559 Fresno Geographic 79,204 numbers 562 Long Beach Geographic 84,783 numbers 619 San Diego Geographic 45,688 numbers 626 Pasadena Geographic 66,444 numbers 628 San Francisco Geographic 62,778 numbers 650 San Mateo Geographic 50,132 numbers 657 Anaheim Geographic 41,656 numbers 661 Bakersfield Geographic 80,753 numbers 669 San Jose Geographic 67,433 numbers 707 Santa Rosa Geographic 68,921 numbers 714 Anaheim Geographic 10,159 numbers 747 Los Angeles Geographic 64,542 numbers 760 Oceanside Geographic 69,721 numbers 805 Santa Barbara Geographic 25,769 numbers 818 Los Angeles Geographic 28,081 numbers 820 Los Angeles Geographic 37,410 numbers 831 Salinas Geographic 51,992 numbers 840 Fresno Geographic 32,299 numbers 858 San Diego Geographic 61,310 numbers 909 San Bernardino Geographic 36,876 numbers 916 Sacramento Geographic 36,701 numbers 925 Concord Geographic 62,448 numbers 949 Irvine Geographic 38,933 numbers 951 Riverside Geographic 40,400 numbers

Dialing Rules

California

How to dial in this state

📞 10-Digit Dialing

This state requires mandatory 10-digit dialing (area code + 7-digit number) for all local and long-distance calls.

🔄 Overlay Area Codes

Due to overlay area codes, multiple codes may serve the same region, making 10-digit dialing mandatory.

FAQ

California

Common questions about area codes in this state

How many area codes does California have?

California currently has 38 active area codes covering all major cities and regions statewide.

How to get a premium number in California?

Search your preferred California area code on GreatNumber to browse all available premium numbers under that code.

Does California require 10-digit dialing?

Yes, most areas in California now require 10-digit dialing (area code + 7-digit number), including local calls.

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