Area code 925 covers part of Californiastate, covering most of Contra Costa, Alameda counties. It was started on Jan 01, 2000. This region follows US/Pacific + Daylight Savings timezone. Other popular area codes that belong to California state include 209, 213, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 831, 858, 909, 916, 949, 951.
Date Changed | Change Details |
May 04, 2014 | Area code 925-892 was introduced on Apr 10, 2014 and subscribers are operational from May 04, 2014. |
Mar 28, 2014 | Area code 925-871 was introduced on Feb 28, 2014 and subscribers are operational from Mar 28, 2014. |
Jan 21, 2014 | Area code 925-815 was introduced on Nov 01, 2013 and subscribers are operational from Jan 21, 2014. |
Jan 21, 2014 | Area code 925-830 was introduced on Nov 01, 2013 and subscribers are operational from Jan 21, 2014. |
Oct 19, 2013 | Area code 925-808 was introduced on Mar 05, 2010 and subscribers are operational from Oct 19, 2013. |
Oct 19, 2013 | Area code 925-822 was introduced on Jul 10, 2008 and subscribers are operational from Oct 19, 2013. |
Area Code | City | County | Population | Network Operator |
925-800-9 | Concord | Alameda | 151,027 | New Cingular Wireless PCS LLC |
925-800-8 | San Francisco | Alameda | 151,027 | CF Communications LLC dba Telekenex - CA |
925-800-0 | San Francisco | Alameda | 151,027 | O1 Communications Inc - CA |
925-803 | San Ramon | Alameda | 151,027 | Pacific Bell Telephone Company |
925-804-6 | Rohnert Park | Contra Costa | 104,902 | Comcast Phone of California LLC - CA |
925-804-4 | San Francisco | Contra Costa | 104,902 | 360networks (USA) Inc - CA |
925-804-0 | San Francisco | Contra Costa | 104,902 | Teleport Communications Group - San Francisco |
925-806-0 | San Ramon | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-807-0 | Fremont | Contra Costa | 104,902 | XO California Inc |
925-808-0 | Concord | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-808-7 | Hayward | Contra Costa | 104,902 | MCI Worldcom Communications Inc - CA |
925-808-3 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-808-9 | Pleasanton | Contra Costa | 104,902 | Cellco Partnership dba Verizon Wireless - CA |
925-808-0 | San Francisco | Contra Costa | 104,902 | Pacific Centrex Services Inc - CA |
925-809-7 | Brentwood | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-809-6 | San Jose | Contra Costa | 104,902 | Peerless Network of California LLC - CA |
925-809-0 | San Jose | Contra Costa | 104,902 | U.S. Telepacific Corporation - CA |
925-809-3 | San Rafael | Contra Costa | 104,902 | U.S. Telepacific Corporation - CA |
925-811 | 240,813 | One Call Services-Pipeline And Utility Safety | ||
925-812-0 | Oakland | Contra Costa | 104,902 | MetroPCS Inc |
925-813-7 | Antioch | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-813-0 | Pleasanton | Contra Costa | 104,902 | Cellco Partnership dba Verizon Wireless - CA |
925-815-0 | Danville | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-815-7 | San Francisco | Contra Costa | 104,902 | 360networks (USA) Inc - CA |
925-817-9 | Pleasanton | Contra Costa | 104,902 | Cellco Partnership dba Verizon Wireless - CA |
925-817-0 | Walnut Creek | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-818-0 | Concord | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
925-819-0 | Concord | Alameda | 151,027 | New Cingular Wireless PCS LLC |
925-820 | Danville | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-822-6 | Concord | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
925-822-8 | Pleasanton | Contra Costa | 104,902 | Cellco Partnership dba Verizon Wireless - CA |
925-822-0 | San Francisco | Contra Costa | 104,902 | MCImetro Access Transmission Services LLC |
925-822-3 | San Francisco | Contra Costa | 104,902 | SBC Internet Services Inc |
925-823 | San Ramon | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-824 | San Ramon | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-825 | Concord | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-826-7 | Concord | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
925-826-5 | Hayward | Contra Costa | 104,902 | Comcast Phone of California LLC - CA |
925-826-0 | Hayward | Contra Costa | 104,902 | MCI Worldcom Communications Inc - CA |
925-826-9 | Oakland | Contra Costa | 104,902 | MetroPCS Inc |
925-826-3 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-826-6 | Santa Rosa | Contra Costa | 104,902 | Sprint Spectrum LP |
925-827 | Concord | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-828 | San Ramon | Alameda | 151,027 | Pacific Bell Telephone Company |
925-829 | San Ramon | Alameda | 151,027 | Pacific Bell Telephone Company |
925-830-7 | San Francisco | Contra Costa | 104,902 | 360networks (USA) Inc - CA |
925-830-0 | San Ramon | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-831 | Danville | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-833 | San Ramon | Alameda | 151,027 | Pacific Bell Telephone Company |
925-835-7 | Fremont | Alameda | 151,027 | XO California Inc |
925-835-2 | San Jose | Alameda | 151,027 | Peerless Network of California LLC - CA |
925-835-0 | San Jose | Alameda | 151,027 | U.S. Telepacific Corporation - CA |
925-837 | Danville | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-838 | Danville | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-839-0 | San Jose | Contra Costa | 104,902 | U.S. Telepacific Corporation - CA |
925-839-2 | San Rafael | Contra Costa | 104,902 | U.S. Telepacific Corporation - CA |
925-842 | San Ramon | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-843-0 | Oakland | Contra Costa | 104,902 | tw telecom of california LP - CA |
925-844-1 | San Jose | Contra Costa | 104,902 | Peerless Network of California LLC - CA |
925-844-0 | San Jose | Contra Costa | 104,902 | U.S. Telepacific Corporation - CA |
925-846 | Pleasanton | Alameda | 151,027 | Pacific Bell Telephone Company |
925-847 | Pleasanton | Alameda | 151,027 | Pacific Bell Telephone Company |
925-848-9 | Oakland | Contra Costa | 104,902 | MetroPCS Inc |
925-848-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-849-7 | Concord | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
925-849-6 | Hayward | Contra Costa | 104,902 | Comcast Phone of California LLC - CA |
925-849-0 | San Francisco | Contra Costa | 104,902 | Bandwidth.com CLEC LLC - CA |
925-849-0 | San Jose | Contra Costa | 104,902 | U.S. Telepacific Corporation - CA |
925-852-0 | Fremont | Contra Costa | 104,902 | XO California Inc |
925-852-1 | Pleasanton | Contra Costa | 104,902 | Cellco Partnership dba Verizon Wireless - CA |
925-852-6 | San Francisco | Contra Costa | 104,902 | Level 3 Communications LLC - CA |
925-852-9 | Santa Rosa | Contra Costa | 104,902 | Sprint Spectrum LP |
925-854-0 | Hayward | Contra Costa | 104,902 | MCI Worldcom Communications Inc - CA |
925-854-3 | San Francisco | Contra Costa | 104,902 | Utility Telephone Inc - CA |
925-855 | Danville | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-856-7 | Concord | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
925-856-0 | San Francisco | Contra Costa | 104,902 | MCImetro Access Transmission Services LLC |
925-858 | Concord | Alameda | 151,027 | New Cingular Wireless PCS LLC |
925-860-0 | Fremont | Alameda | 151,027 | XO California Inc |
925-862-0 | Sunol | Alameda | 151,027 | Pacific Bell Telephone Company |
925-864 | Santa Rosa | Contra Costa | 104,902 | Sprint Spectrum LP |
925-866 | San Ramon | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-867 | San Ramon | Contra Costa | 104,902 | Pacific Bell Telephone Company |
925-871-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-871-7 | Sunnyvale | Contra Costa | 104,902 | Qwest Communications Company LLC |
925-872 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
925-875-0 | San Ramon | Alameda | 151,027 | Pacific Bell Telephone Company |
925-876 | Concord | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
925-878-0 | Santa Rosa | Contra Costa | 104,902 | Sprint Spectrum LP |
925-884-7 | Fremont | Contra Costa | 104,902 | XO California Inc |
925-884-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-884-2 | San Jose | Contra Costa | 104,902 | U.S. Telepacific Corporation - CA |
925-885-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-885-7 | San Francisco | Contra Costa | 104,902 | 360networks (USA) Inc - CA |
925-885-6 | San Francisco | Contra Costa | 104,902 | Level 3 Communications LLC - CA |
925-886-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-887-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-888-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-889-9 | Hayward | Contra Costa | 104,902 | Comcast Phone of California LLC - CA |
925-889-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
925-890 | Concord | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
925-891-4 | Hayward | Contra Costa | 104,902 | Comcast Phone of California LLC - CA |
925-892-0 | Oakland | Alameda | 151,027 | Pac-West Telecomm Inc - CA |
925-895 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
925-899 | Concord | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
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