| 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 |
|---|---|---|---|
| 925-621 | Pleasanton | Alameda | Landline |
| 925-918 | Pleasanton | Alameda | Wireless |
| 925-963 | Pleasanton | Alameda | Wireless |
| 925-350 | Antioch | Contra Costa | Landline |
| 925-730 | Pleasanton | Alameda | Wireless |
| 925-646 | Concord | Contra Costa | Landline |
| 925-543 | Danville | Contra Costa | Landline |
| 925-947 | Walnut Creek | Contra Costa | Wireless |
| 925-280 | Walnut Creek | Contra Costa | Wireless |
| 925-370 | Martinez | Contra Costa | Landline |
| 925-892 | Pleasanton | Alameda | Landline |
| 925-849 | Concord | Contra Costa | Landline |
| 925-932 | Walnut Creek | Contra Costa | Wireless |
| 925-509 | Dublin | Alameda | Wireless |
| 925-274 | Walnut Creek | Contra Costa | Wireless |
| 925-998 | Pleasanton | Alameda | Wireless |
| 925-239 | Walnut Creek | Contra Costa | Landline |
| 925-392 | Oakley | Contra Costa | Landline |
| 925-201 | Pleasanton | Alameda | Landline |
| 925-605 | Livermore | Alameda | Landline |