California Phone Number Lookup
Find the owner of any phone number in California.
What Phone Numbers Are in California?
Search any phone number in California using the lookup tool above. California has 41 area codes covering 657 cities and 22,542 active phone prefixes. Enter any 10-digit number to find the owner's name, address, and carrier.
Area Codes in California
California is served by the following 41 area codes:
- 209 (58 cities)
- 213 (5 cities)
- 279 (15 cities)
- 310 (18 cities)
- 323 (3 cities)
- 341 (11 cities)
- 350 (39 cities)
- 357 (1 city)
- 369 (26 cities)
- 408 (11 cities)
- 415 (13 cities)
- 424 (18 cities)
- 442 (77 cities)
- 510 (11 cities)
- 530 (125 cities)
- 559 (51 cities)
- 562 (12 cities)
- 619 (16 cities)
- 626 (12 cities)
- 628 (13 cities)
- 650 (17 cities)
- 657 (14 cities)
- 661 (30 cities)
- 669 (8 cities)
- 707 (76 cities)
- 714 (15 cities)
- 738 (1 city)
- 747 (16 cities)
- 760 (85 cities)
- 805 (37 cities)
- 818 (15 cities)
- 820 (29 cities)
- 831 (25 cities)
- 837 (1 city)
- 840 (20 cities)
- 858 (17 cities)
- 909 (25 cities)
- 916 (16 cities)
- 925 (17 cities)
- 949 (9 cities)
- 951 (17 cities)
Top Phone Carriers in California
The most common phone service providers in California include:
- T-mobile Usa, Inc.
- Onvoy, Llc - Ca
- Cellco Partnership Dba Verizon Wireless - Ca
- Pacific Bell
- New Cingular Wireless Pcs, Llc
- Bandwidth.com Clec, Llc - Ca
- Level 3 Communications, Llc - Ca
- Metropcs Networks, Llc
California at a Glance
Financial Profile
Frequently Asked Questions
What Area Codes Are in California?
California is served by 41 area codes: 209, 213, 279, 310, 323, 341, 350, 357, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 858, 909, 916, 925, 949, 951. Each area code covers a specific geographic region within the state and is assigned to cities and towns in that area. The number of area codes in a state reflects its population and telecommunications demand. California has 22,542 active phone prefixes spread across 657 cities. When you receive a call from an unfamiliar number, the first three digits — the area code — tell you which part of California the call likely originated from. You can search any of these area codes on 411FCC to identify the owner of a specific phone number.
How Do I Look Up a Phone Number in California?
Enter the full 10-digit phone number into the search box at the top of this page and click Search. 411FCC returns available information including the registered owner's name, location, phone carrier, and whether the number is wireless, landline, or VoIP. The lookup works for all 41 area codes in California and covers numbers from all major carriers. Results appear within seconds. 411FCC has maintained phone number records since 2003 and covers every US state and Canadian province, so you can search numbers from California or any other jurisdiction using the same tool.
What Phone Carriers Operate in California?
Phone service in California is provided by multiple wireless and landline carriers. The largest providers by number of assigned prefixes include T-mobile Usa, Inc., Onvoy, Llc - Ca, Cellco Partnership Dba Verizon Wireless - Ca, Pacific Bell, New Cingular Wireless Pcs, Llc. Approximately 43% of phone prefixes in California are classified as wireless, with the remaining 57% being landline or VoIP. When you perform a reverse phone lookup on 411FCC, the results include the carrier name for the number you searched, helping you identify whether the call came from a major national carrier or a smaller regional provider.
Data current as of March 2026