San Lorenzo, CA Area Codes
San Lorenzo is served by area codes 341 and 510. It is in California, Alameda County. About 29,420 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 341, 510 |
| State / province | California |
| County | Alameda County |
| Population | 29,420 |
| ZIP codes | 1 |
| Time zone | Pacific |
| Coordinates | 37.6780, -122.1334 |
What area code is San Lorenzo in?
ZIP codes in the code footprint
Nearby towns and their area codes
San Leandro 341, 510Castro Valley 341, 510Hayward 341, 510Union City 341, 510Alameda 341, 510Oakland 341, 510Moraga 925San Ramon 925
How to dial
Dial 341 + 7 digits for a number in San Lorenzo, or +1 341 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.