| 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 |
|---|---|---|---|
| 510-639 | Oakland | Alameda | Landline |
| 510-816 | Oakland | Alameda | Wireless |
| 510-448 | Oakland | Alameda | Wireless |
| 510-769 | Alameda | Alameda | Landline |
| 510-885 | Castro Valley | Alameda | Landline |
| 510-776 | Richmond | Contra Costa | Wireless |
| 510-589 | Hayward | Alameda | Wireless |
| 510-529 | Richmond | Contra Costa | Landline |
| 510-391 | Oakland | Alameda | Wireless |
| 510-927 | Oakland | Alameda | Landline |
| 510-658 | Emeryville | Alameda | Landline |
| 510-789 | Newark | Alameda | Landline |
| 510-641 | Oakland | Alameda | Wireless |
| 510-715 | Oakland | Alameda | Wireless |
| 510-792 | Fremont | Alameda | Landline |
| 510-623 | Fremont | Alameda | Landline |
| 510-505 | Fremont | Alameda | Landline |
| 510-429 | Union City | Alameda | Landline |
| 510-681 | San Francisco | San Francisco | Wireless |
| 510-229 | Oakland | Alameda | Landline |