| General Information | |
|---|---|
| Country | United States |
| State/Province | California |
| Major City | Oakland |
| Time Zone | Pacific (UTC-08:00) |
| Current Local Time | 23:58 |
| Prefix | County | Primary City |
|---|---|---|
| 510-200 | Alameda | Hayward |
| 510-201 | Alameda | Oakland |
| 510-202 | Alameda | Oakland |
| 510-203 | - | - |
| 510-204 | Alameda | Berkeley |
| 510-205 | San Francisco | San Francisco |
| 510-206 | Alameda | Oakland |
| 510-207 | Alameda | Oakland |
| 510-208 | Alameda | Oakland |
| 510-209 | Alameda | Hayward |
| 510-210 | San Francisco | San Francisco |
| 510-212 | Alameda | Fremont |
| 510-213 | Alameda | Oakland |
| 510-214 | San Francisco | San Francisco |
| 510-215 | Contra Costa | Richmond |
| 510-216 | Alameda | Newark |
| 510-217 | San Francisco | San Francisco |
| 510-218 | Alameda | Fremont |
| 510-219 | Alameda | Oakland |
| 510-220 | Alameda | Oakland |
| 510-221 | Alameda | Oakland |
| 510-222 | Contra Costa | El Sobrante |
| 510-223 | Contra Costa | El Sobrante |
| 510-224 | Contra Costa | Rodeo |
| 510-225 | San Francisco | San Francisco |
| 510-226 | Alameda | Fremont |
| 510-227 | Alameda | Oakland |
| 510-228 | Alameda | Oakland |
| 510-229 | Alameda | Oakland |
| 510-230 | Contra Costa | Richmond |
| 510-231 | Contra Costa | Richmond |
| 510-232 | Contra Costa | Richmond |
| 510-233 | Contra Costa | Richmond |
| 510-234 | Contra Costa | Richmond |
| 510-235 | Contra Costa | Richmond |
| 510-236 | Contra Costa | Richmond |
| 510-237 | Contra Costa | Richmond |
| 510-238 | Alameda | Oakland |
| 510-239 | Alameda | Oakland |
| 510-240 | Alameda | Fremont |
| 510-241 | - | - |
| 510-242 | Contra Costa | Richmond |
| 510-243 | Contra Costa | El Sobrante |
| 510-244 | Alameda | Hayward |
| 510-245 | Contra Costa | Hercules |
| 510-246 | Alameda | Hayward |
| 510-247 | Alameda | Castro Valley |
| 510-248 | Alameda | Newark |
| 510-249 | Alameda | Fremont |
| 510-250 | Alameda | Oakland |