About ZIP code 94503
The ZIP code 94503 routes mail to American Canyon in the California region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
94503 - American Canyon
ZIP code 94503 is American Canyon in California, United States.
| ZIP code | 94503 |
| Place | American Canyon |
| Region | California |
| District | Napa |
| Country | United States (US) |
| Coordinates | 38.1668, -122.2553 (map) |