| 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 |
|---|---|---|---|
| 925-242 | Danville | Contra Costa | Landline |
| 925-953 | Walnut Creek | Contra Costa | Landline |
| 925-886 | Danville | Contra Costa | Landline |
| 925-400 | Pleasanton | Alameda | Landline |
| 925-807 | Dublin | Alameda | Landline |
| 925-463 | Pleasanton | Alameda | Wireless |
| 925-257 | Orinda | Contra Costa | Landline |
| 925-258 | Orinda | Contra Costa | Landline |
| 925-305 | Concord | Contra Costa | Landline |
| 925-487 | San Ramon | Contra Costa | Wireless |
| 925-379 | Pleasanton | Alameda | Landline |
| 925-699 | Pleasanton | Alameda | Wireless |
| 925-293 | Martinez | Contra Costa | Landline |
| 925-602 | Concord | Contra Costa | Landline |
| 925-887 | Concord | Contra Costa | Landline |
| 925-941 | Walnut Creek | Contra Costa | Wireless |
| 925-852 | Concord | Contra Costa | Landline |
| 925-808 | Concord | Contra Costa | Landline |
| 925-572 | Pleasanton | Alameda | Landline |
| 925-639 | Walnut Creek | Contra Costa | Wireless |