| 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 |
|---|---|---|---|
| 925-360 | Walnut Creek | Contra Costa | Wireless |
| 925-364 | Hayward | Alameda | Landline |
| 925-447 | Livermore | Alameda | Landline |
| 925-368 | Pleasanton | Alameda | Wireless |
| 925-743 | Danville | Contra Costa | Landline |
| 925-497 | Concord | Contra Costa | Wireless |
| 925-658 | Walnut Creek | Contra Costa | Landline |
| 925-983 | Hayward | Alameda | Landline |
| 925-594 | Danville | Contra Costa | Wireless |
| 925-677 | Concord | Contra Costa | Landline |
| 925-931 | Pleasanton | Alameda | Landline |
| 925-854 | Danville | Contra Costa | Landline |
| 925-809 | Oakley | Contra Costa | Landline |
| 925-860 | Fremont | Alameda | Landline |
| 925-405 | Concord | Contra Costa | Landline |
| 925-890 | Concord | Contra Costa | Wireless |
| 925-967 | San Ramon | Contra Costa | Landline |
| 925-549 | San Ramon | Contra Costa | Wireless |
| 925-278 | Walnut Creek | Contra Costa | Landline |
| 925-535 | Pleasanton | Alameda | Wireless |