San Marcos, CA Area Codes
San Marcos is served by area codes 442 and 760. It is in California, San Diego County. About 100,940 people live in its 4 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 442, 760 |
| State / province | California |
| County | San Diego County |
| Population | 100,940 |
| ZIP codes | 4 |
| Time zone | Pacific |
| Coordinates | 33.1410, -117.1652 |
What area code is San Marcos in?
ZIP codes in the code footprint
Nearby towns and their area codes
Escondido 442, 760Vista 442, 760Rancho Santa Fe 619, 858Encinitas 442, 760Cardiff By The Sea 442, 760Solana Beach 619, 858Oceanside 442, 760Valley Center 442, 760
How to dial
Dial 442 + 7 digits for a number in San Marcos, or +1 442 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.