| General Information about Area Code 510 | |
|---|---|
| Country | United States |
| State / Province / Territory | California |
| Major City | Oakland |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 510-970 | Richmond | Contra Costa | Landline |
| 510-236 | Richmond | Contra Costa | Landline |
| 510-969 | Oakland | Alameda | Landline |
| 510-879 | San Francisco | San Francisco | Landline |
| 510-898 | San Francisco | San Francisco | Landline |
| 510-544 | Oakland | Alameda | Landline |
| 510-215 | Richmond | Contra Costa | Landline |
| 510-512 | Hayward | Alameda | Landline |
| 510-313 | Rodeo | Contra Costa | Landline |
| 510-556 | Newark | Alameda | Landline |
| 510-899 | Oakland | Alameda | Landline |
| 510-464 | Oakland | Alameda | Landline |
| 510-926 | Oakland | Alameda | Landline |
| 510-221 | Oakland | Alameda | Wireless |
| 510-273 | Oakland | Alameda | Landline |
| 510-377 | Newark | Alameda | Wireless |
| 510-545 | Oakland | Alameda | Landline |
| 510-501 | Oakland | Alameda | Wireless |
| 510-853 | Oakland | Alameda | Wireless |
| 510-880 | Hayward | Alameda | Landline |