District of California area codes: 510 | |
---|---|
Country | United States |
State/Province | California |
Major City | San Jose |
Time Zone | Pacific (UTC-08:00) |
Prefix | County | Primary City | Company |
---|---|---|---|
510-371 | Alameda | Fremont, CA | Level 3 Communications |
510-372 | Alameda | Hayward, CA | Pac - West Telecomm |
510-373 | Alameda | Oakland, CA | Pac - West Telecomm |
510-374 | Contra Costa | Richmond, CA | Pacific Bell |
510-375 | San Francisco | San Francisco, CA | T-mobile Usa |
510-376 | Alameda | Fremont, CA | Sprint Spectrum L.p. |
510-377 | Alameda | Fremont, CA | Sprint Spectrum L.p. |
510-378 | Alameda | Fremont, CA | New Cingular Wireless PCS |
510-379 | Alameda | Oakland, CA | Tw Telecom Of California Lp |
510-380 | Alameda | Oakland, CA | Pac - West Telecomm |
510-381 | Alameda | Oakland, CA | Cellco Partnership DBA Verizon Wireless |
510-382 | Alameda | Oakland, CA | Pacific Bell |
510-383 | Alameda | Oakland, CA | Pacific Bell |
510-384 | Alameda | Oakland, CA | New Cingular Wireless PCS |
510-385 | Alameda | Oakland, CA | Sprint Spectrum L.p. |
510-386 | Alameda | Fremont, CA | New Cingular Wireless PCS |
510-387 | Alameda | Oakland, CA | New Cingular Wireless PCS |
510-388 | Alameda | Oakland, CA | New Cingular Wireless PCS |
510-389 | Alameda | Oakland, CA | American Messaging (am) |
510-390 | Alameda | Oakland, CA | Cellco Partnership DBA Verizon Wireless |
There are 689 prefixes, In the code area, the major cities are Alameda, CA;Berkeley, CA;Castro Valley, CA;El Cerr. The major city is San Jose.