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 |
---|---|---|---|
510-303 | Alameda | Hayward, CA | New Cingular Wireless PCS |
510-304 | Alameda | Fremont, CA | New Cingular Wireless PCS |
510-305 | Alameda | Hayward, CA | New Cingular Wireless PCS |
510-306 | San Francisco | San Francisco, CA | Sprint Spectrum L.p. |
510-307 | Contra Costa | Richmond, CA | Pacific Bell |
510-308 | Alameda | Oakland, CA | Usa Mobility Wireless |
510-310 | Alameda | Oakland, CA | Usa Mobility Wireless |
510-312 | Alameda | Hayward, CA | American Messaging (am) |
510-313 | Contra Costa | Hercules, CA | Teleport Communications Group - San Francisco |
510-314 | Alameda | Hayward, CA | Sprint Spectrum L.p. |
510-315 | Alameda | Hayward, CA | Broadwing Communications |
510-316 | Alameda | Oakland, CA | New Cingular Wireless PCS |
510-317 | Alameda | Hayward, CA | Pacific Bell |
510-318 | Alameda | Oakland, CA | Cellco Partnership DBA Verizon Wireless |
510-320 | Alameda | Fremont, CA | New Cingular Wireless PCS |
510-321 | Alameda | Oakland, CA | Usa Mobility Wireless |
510-322 | Contra Costa | Hercules, CA | Mcimetro Access Transmission Services LLC |
510-323 | Contra Costa | Richmond, CA | Xo California |
510-324 | Alameda | Union City, CA | Pacific Bell |
510-325 | Alameda | Oakland, CA | New Cingular Wireless PCS |
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.