City · California · United States
San Marcos, CA — ZIP codes
4 ZIP codes · San Diego County
- City
- San Marcos
- County
- San Diego
- State
- California
- Country
- United States
- Postal codes
- 92069920789207992096Single source
- Coordinates
- 33.1444, -117.1697 View on OpenStreetMap
ZIP codes (4)
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Last generated : 2026-08-21. Report an error.