Area code 510 covers part of Californiastate, covering most of Alameda, Contra Costa 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, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 831, 858, 909, 916, 925, 949, 951.
Date Changed | Change Details |
Jun 10, 2014 | Area code 510-362 was introduced on May 28, 2013 and subscribers are operational from Jun 10, 2014. |
Apr 23, 2014 | Area code 510-344 subscribers are operational from Apr 23, 2014. |
Apr 18, 2014 | Area code 510-320 was introduced on Apr 04, 2014 and subscribers are operational from Apr 18, 2014. |
Apr 13, 2014 | Area code 510-306 was introduced on Apr 05, 2013 and subscribers are operational from Apr 13, 2014. |
Mar 30, 2014 | Area code 510-365 was introduced on Mar 04, 2014 and subscribers are operational from Mar 30, 2014. |
Mar 23, 2014 | Area code 510-328 was introduced on Apr 10, 2013 and subscribers are operational from Mar 23, 2014. |
Area Code | City | County | Population | Network Operator |
510-300-7 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-300-0 | San Jose | Alameda | 151,027 | U.S. Telepacific Corporation - CA |
510-301 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-302-9 | Oakland | Alameda | 151,027 | MetroPCS Inc |
510-302-0 | Oakland | Alameda | 151,027 | Pacific Bell Telephone Company |
510-303 | Santa Clara | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-304 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-305 | Santa Clara | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-306-0 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-306-8 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-306-2 | San Carlos | Alameda | 151,027 | Creative Interconnect Communications LLC - CA |
510-306-4 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-306-7 | San Francisco | Alameda | 151,027 | Broadvox-CLEC LLC - CA |
510-307-5 | Hayward | Contra Costa | 104,902 | Comcast Phone of California LLC - CA |
510-307-6 | Oakland | Contra Costa | 104,902 | T-Mobile USA Inc |
510-307-0 | Richmond | Contra Costa | 104,902 | Pacific Bell Telephone Company |
510-308 | Livermore | Alameda | 151,027 | USA Mobility Wireless Inc |
510-310 | Livermore | Alameda | 151,027 | USA Mobility Wireless Inc |
510-311 | 73,313 | Non Emergency Police And Other Governmental Services | ||
510-312 | Oakland | Alameda | 151,027 | American Messaging (AM) Inc |
510-313-4 | Hayward | Contra Costa | 104,902 | Comcast Phone of California LLC - CA |
510-313-0 | Oakland | Contra Costa | 104,902 | Teleport Communications Group - San Francisco |
510-313-2 | San Francisco | Contra Costa | 104,902 | Cbeyond Communications LLC - CA |
510-313-7 | San Francisco | Contra Costa | 104,902 | Mosaic Networx LLC - CA |
510-313-8 | Santa Rosa | Contra Costa | 104,902 | Sprint Spectrum LP |
510-314-0 | Hayward | Alameda | 151,027 | Comcast Phone of California LLC - CA |
510-314-0 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-314-3 | Oakland | Alameda | 151,027 | T-Mobile USA Inc |
510-314-8 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-315 | San Francisco | Alameda | 151,027 | Broadwing Communications LLC - CA |
510-316 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-317 | San Leandro | Alameda | 151,027 | Pacific Bell Telephone Company |
510-318-0 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-318-3 | San Francisco | Alameda | 151,027 | Cbeyond Communications LLC - CA |
510-318-9 | San Jose | Alameda | 151,027 | Peerless Network of California LLC - CA |
510-318-8 | San Jose | Alameda | 151,027 | U.S. Telepacific Corporation - CA |
510-320-8 | Oakland | Alameda | 151,027 | T-Mobile USA Inc |
510-320-6 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-320-0 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-320-5 | San Francisco | Alameda | 151,027 | SBC Internet Services Inc |
510-321 | Livermore | Alameda | 151,027 | USA Mobility Wireless Inc |
510-322-0 | San Francisco | Contra Costa | 104,902 | MCImetro Access Transmission Services LLC |
510-322-8 | San Francisco | Contra Costa | 104,902 | Mosaic Networx LLC - CA |
510-322-4 | Santa Rosa | Contra Costa | 104,902 | Sprint Spectrum LP |
510-323-0 | Fremont | Contra Costa | 104,902 | XO California Inc |
510-323-3 | Pleasanton | Contra Costa | 104,902 | Cellco Partnership dba Verizon Wireless - CA |
510-323-4 | San Francisco | Contra Costa | 104,902 | Level 3 Communications LLC - CA |
510-323-6 | San Francisco | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
510-324-7 | Santa Rosa | Alameda | 151,027 | Sonic Telecom LLC - CA |
510-324-0 | Union City | Alameda | 151,027 | Pacific Bell Telephone Company |
510-325 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-326 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-327-0 | Oakland | Contra Costa | 104,902 | Pac-West Telecomm Inc - CA |
510-327-8 | San Francisco | Contra Costa | 104,902 | 360networks (USA) Inc - CA |
510-327-5 | San Francisco | Contra Costa | 104,902 | Bandwidth.com CLEC LLC - CA |
510-327-4 | San Francisco | Contra Costa | 104,902 | SBC Internet Services Inc |
510-327-6 | San Francisco | Contra Costa | 104,902 | Utility Telephone Inc - CA |
510-327-9 | Santa Rosa | Contra Costa | 104,902 | Sprint Spectrum LP |
510-328-0 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-328-5 | Oakland | Alameda | 151,027 | T-Mobile USA Inc |
510-328-7 | San Francisco | Alameda | 151,027 | 360networks (USA) Inc - CA |
510-328-3 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-328-4 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-328-1 | San Francisco | Alameda | 151,027 | SBC Internet Services Inc |
510-329 | Santa Clara | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-331 | Santa Clara | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-332 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-333 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-334 | San Francisco | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
510-335-5 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-335-0 | San Francisco | Alameda | 151,027 | CF Communications LLC dba Telekenex - CA |
510-335-8 | San Francisco | Alameda | 151,027 | Mosaic Networx LLC - CA |
510-335-9 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-336-8 | Fremont | Alameda | 151,027 | XO California Inc |
510-336-4 | Oakland | Alameda | 151,027 | Pac-West Telecomm Inc - CA |
510-336-0 | Oakland | Alameda | 151,027 | Pacific Bell Telephone Company |
510-337-0 | Alameda | Alameda | 151,027 | Pacific Bell Telephone Company |
510-337-4 | San Francisco | Alameda | 151,027 | YMax Communications Corporation - CA |
510-338-6 | Fremont | Alameda | 151,027 | XO California Inc |
510-338-3 | Hayward | Alameda | 151,027 | Comcast Phone of California LLC - CA |
510-338-0 | Oakland | Alameda | 151,027 | Pacific Bell Telephone Company |
510-338-5 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-338-8 | Oakland | Alameda | 151,027 | T-Mobile USA Inc |
510-338-7 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-338-4 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-338-9 | San Jose | Alameda | 151,027 | Peerless Network of California LLC - CA |
510-339 | Oakland | Alameda | 151,027 | Pacific Bell Telephone Company |
510-340-0 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-340-9 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-340-7 | San Francisco | Alameda | 151,027 | Mosaic Networx LLC - CA |
510-342-8 | Oakland | Alameda | 151,027 | MetroPCS Inc |
510-342-6 | Oakland | Alameda | 151,027 | T-Mobile USA Inc |
510-342-4 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-342-1 | San Francisco | Alameda | 151,027 | AT&T Local |
510-342-9 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-342-5 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-342-0 | San Jose | Alameda | 151,027 | Mpower Communications Corporation - CA |
510-342-7 | San Jose | Alameda | 151,027 | U.S. Telepacific Corporation - CA |
510-343-8 | Oakland | Alameda | 151,027 | AT&T Local |
510-343-3 | Oakland | Alameda | 151,027 | Pac-West Telecomm Inc - CA |
510-343-1 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-343-7 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-344-0 | Oakland | Alameda | 151,027 | Global Crossing Local Services Inc - CA |
510-344-8 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-346-5 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-347 | San Leandro | Alameda | 151,027 | Pacific Bell Telephone Company |
510-348 | Oakland | Alameda | 151,027 | 33 Wireless Inc |
510-349 | Oakland | Contra Costa | 104,902 | American Messaging (AM) Inc |
510-350-8 | Hayward | Alameda | 151,027 | Comcast Phone of California LLC - CA |
510-350-0 | Oakland | Alameda | 151,027 | Teleport Communications Group - San Francisco |
510-351 | San Leandro | Alameda | 151,027 | Pacific Bell Telephone Company |
510-352 | San Leandro | Alameda | 151,027 | Pacific Bell Telephone Company |
510-353-0 | Fremont | Alameda | 151,027 | Pacific Bell Telephone Company |
510-354 | Fremont | Alameda | 151,027 | Pacific Bell Telephone Company |
510-355-0 | Oakland | Alameda | 151,027 | Global Crossing Local Services Inc - CA |
510-355-8 | San Francisco | Alameda | 151,027 | YMax Communications Corporation - CA |
510-356-0 | Berkeley | Alameda | 151,027 | Pacific Bell Telephone Company |
510-356-2 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-357 | San Leandro | Alameda | 151,027 | Pacific Bell Telephone Company |
510-358-2 | Hayward | Alameda | 151,027 | Comcast Phone of California LLC - CA |
510-358-8 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-359-3 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-359-4 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-360 | Fremont | Alameda | 151,027 | Pacific Bell Telephone Company |
510-362-0 | Oakland | Alameda | 151,027 | T-Mobile USA Inc |
510-363-9 | Hayward | Alameda | 151,027 | Comcast Phone of California LLC - CA |
510-363-4 | Santa Clara | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-364 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-365-3 | Alameda | 151,027 | Citrix Communications LLC - CA | |
510-366 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-367 | San Francisco | Contra Costa | 104,902 | New Cingular Wireless PCS LLC |
510-368-0 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-370-0 | San Jose | Alameda | 151,027 | Peerless Network of California LLC - CA |
510-371-6 | Oakland | Alameda | 151,027 | Paetec Communications Inc - CA |
510-371-5 | San Francisco | Alameda | 151,027 | Bandwidth.com CLEC LLC - CA |
510-371-9 | San Francisco | Alameda | 151,027 | YMax Communications Corporation - CA |
510-372-7 | Oakland | Alameda | 151,027 | MetroPCS Inc |
510-373-8 | Fremont | Alameda | 151,027 | XO California Inc |
510-373-4 | San Francisco | Alameda | 151,027 | Pacific Centrex Services Inc - CA |
510-374-2 | Oakland | Contra Costa | 104,902 | T-Mobile USA Inc |
510-374-4 | San Francisco | Contra Costa | 104,902 | Level 3 Communications LLC - CA |
510-374-5 | San Francisco | Contra Costa | 104,902 | Utility Telephone Inc - CA |
510-375-0 | Oakland | Contra Costa | 104,902 | T-Mobile USA Inc |
510-376 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-377 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-378 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-379-6 | Oakland | Alameda | 151,027 | MetroPCS Inc |
510-379-9 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-380-0 | Oakland | Alameda | 151,027 | Pac-West Telecomm Inc - CA |
510-381 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-382 | Oakland | Alameda | 151,027 | Pacific Bell Telephone Company |
510-383-0 | Oakland | Alameda | 151,027 | MetroPCS Inc |
510-383-7 | San Francisco | Alameda | 151,027 | Pacific Centrex Services Inc - CA |
510-384 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-385 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-386 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-387 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-388 | San Francisco | Alameda | 151,027 | New Cingular Wireless PCS LLC |
510-389 | Oakland | Alameda | 151,027 | American Messaging (AM) Inc |
510-390-0 | Pleasanton | Alameda | 151,027 | Cellco Partnership dba Verizon Wireless - CA |
510-391 | Oakland | Alameda | 151,027 | American Messaging (AM) Inc |
510-392 | Oakland | Alameda | 151,027 | American Messaging (AM) Inc |
510-393 | Oakland | Alameda | 151,027 | Sprint Spectrum LP |
510-394-8 | Oakland | Alameda | 151,027 | T-Mobile USA Inc |
510-394-3 | San Francisco | Alameda | 151,027 | Level 3 Communications LLC - CA |
510-395-7 | Oakland | Alameda | 151,027 | MetroPCS Inc |
510-396 | Oakland | Alameda | 151,027 | T-Mobile USA Inc |
510-397-0 | Hayward | Alameda | 151,027 | Comcast Phone of California LLC - CA |
510-398-7 | Oakland | Alameda | 151,027 | Paetec Communications Inc - CA |
510-398-4 | San Francisco | Alameda | 151,027 | Broadvox-CLEC LLC - CA |
510-398-3 | Santa Clara | Alameda | 151,027 | New Cingular Wireless PCS LLC |
No reviews yet. |
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