| 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 |
|---|---|---|---|
| 925-470 | Antioch | Contra Costa | Landline |
| 925-915 | Danville | Contra Costa | Wireless |
| 925-754 | Antioch | Contra Costa | Landline |
| 925-693 | Clayton | Contra Costa | Landline |
| 925-341 | Antioch | Contra Costa | Wireless |
| 925-984 | Danville | Contra Costa | Wireless |
| 925-980 | Livermore | Alameda | Wireless |
| 925-261 | Pittsburg | Contra Costa | Landline |
| 925-663 | Sunol | Alameda | Landline |
| 925-818 | Walnut Creek | Contra Costa | Wireless |
| 925-771 | Concord | Contra Costa | Landline |
| 925-226 | Fremont | Alameda | Landline |
| 925-243 | Livermore | Alameda | Landline |
| 925-867 | Danville | Contra Costa | Landline |
| 925-369 | Martinez | Contra Costa | Landline |
| 925-249 | Pleasanton | Alameda | Landline |
| 925-862 | Sunol | Alameda | Landline |
| 925-727 | Antioch | Contra Costa | Landline |
| 925-219 | Antioch | Contra Costa | Landline |
| 925-529 | Antioch | Contra Costa | Landline |