| 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 |
|---|---|---|---|
| 925-474 | Pleasanton | Alameda | Landline |
| 925-295 | Walnut Creek | Contra Costa | Wireless |
| 925-565 | Antioch | Contra Costa | Wireless |
| 925-334 | Concord | Contra Costa | Wireless |
| 925-524 | Clayton | Contra Costa | Landline |
| 925-551 | San Ramon | Contra Costa | Landline |
| 925-475 | Pleasanton | Alameda | Landline |
| 925-454 | Livermore | Alameda | Landline |
| 925-218 | Pleasanton | Alameda | Landline |
| 925-945 | Walnut Creek | Contra Costa | Wireless |
| 925-878 | Walnut Creek | Contra Costa | Wireless |
| 925-328 | Danville | Contra Costa | Landline |
| 925-446 | Concord | Contra Costa | Wireless |
| 925-519 | Pleasanton | Alameda | Wireless |
| 925-329 | Antioch | Contra Costa | Wireless |
| 925-566 | Concord | Contra Costa | Landline |
| 925-573 | Pittsburg | Contra Costa | Landline |
| 925-964 | Danville | Contra Costa | Landline |
| 925-824 | Danville | Contra Costa | Landline |
| 925-298 | Walnut Creek | Contra Costa | Landline |