City · California · United States
American Canyon, CA — ZIP codes
1 ZIP code · Napa County
- City
- American Canyon
- County
- Napa
- State
- California
- Country
- United States
- Postal code
- 94503Single source
- Coordinates
- 38.1668, -122.2553 View on OpenStreetMap
- Area codes
- 707, 369 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 94503 | American Canyon | Single source |
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 · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.