Castroville, CA Area Codes
Castroville is served by area code 831. It is in California, Monterey County. About 10,814 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 831 |
| State / province | California |
| County | Monterey County |
| Population | 10,814 |
| ZIP codes | 1 |
| Time zone | Pacific |
| Coordinates | 36.7888, -121.7349 |
What area code is Castroville in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 831 | California | 757,058 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Marina 831Salinas 408, 831Watsonville 831Seaside 831Monterey 831Pacific Grove 831Aptos 831Capitola 831
How to dial
Dial 831 + 7 digits for a number in Castroville, or +1 831 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.