Martinez, CA Area Codes
Martinez is served by area code 925. It is in California, Contra Costa County. About 48,643 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 925 |
| State / province | California |
| County | Contra Costa County |
| Population | 48,643 |
| ZIP codes | 1 |
| Time zone | Pacific |
| Coordinates | 37.9783, -122.1571 |
What area code is Martinez in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 925 | California | 1,128,993 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Pleasant Hill 925Rodeo 341, 510Lafayette 925Hercules 341, 510Pinole 341, 510El Sobrante 341, 510Orinda 925Concord 925
How to dial
Dial 925 + 7 digits for a number in Martinez, or +1 925 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.