| 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 |
|---|---|---|---|
| 925-200 | Pleasanton | Alameda | Wireless |
| 925-766 | Walnut Creek | Contra Costa | Wireless |
| 925-829 | San Ramon | Contra Costa | Landline |
| 925-318 | Walnut Creek | Contra Costa | Landline |
| 925-900 | Walnut Creek | Contra Costa | Landline |
| 925-468 | Pleasanton | Alameda | Wireless |
| 925-906 | Walnut Creek | Contra Costa | Wireless |
| 925-837 | Danville | Contra Costa | Landline |
| 925-784 | Livermore | Alameda | Wireless |
| 925-407 | Walnut Creek | Contra Costa | Landline |
| 925-888 | Oakland | Alameda | Landline |
| 925-798 | Concord | Contra Costa | Landline |
| 925-208 | Danville | Contra Costa | Landline |
| 925-234 | Antioch | Contra Costa | Landline |
| 925-206 | Antioch | Contra Costa | Wireless |
| 925-398 | Pleasanton | Alameda | Landline |
| 925-285 | Walnut Creek | Contra Costa | Wireless |
| 925-642 | Antioch | Contra Costa | Wireless |
| 925-251 | Pleasanton | Alameda | Wireless |
| 925-648 | Danville | Contra Costa | Landline |