| General Information about Area Code 925 | |
|---|---|
| Country | United States |
| State / Province / Territory | California |
| Major City | Walnut Creek |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 925-215 | Livermore | Alameda | Landline |
| 925-246 | Concord | Contra Costa | Landline |
| 925-833 | San Ramon | Contra Costa | Landline |
| 925-686 | Concord | Contra Costa | Landline |
| 925-951 | Walnut Creek | Contra Costa | Landline |
| 925-954 | Oakland | Alameda | Landline |
| 925-828 | San Ramon | Contra Costa | Landline |
| 925-260 | Walnut Creek | Contra Costa | Wireless |
| 925-913 | Dublin | Alameda | Wireless |
| 925-252 | Pittsburg | Contra Costa | Landline |
| 925-331 | Antioch | Contra Costa | Landline |
| 925-483 | Concord | Contra Costa | Landline |
| 925-667 | Livermore | Alameda | Landline |
| 925-415 | Dublin | Alameda | Landline |
| 925-221 | Walnut Creek | Contra Costa | Wireless |
| 925-732 | Antioch | Contra Costa | Landline |
| 925-247 | Moraga | Contra Costa | Landline |
| 925-905 | San Ramon | Contra Costa | Landline |
| 925-752 | Antioch | Contra Costa | Landline |
| 925-944 | Walnut Creek | Contra Costa | Wireless |