About ZIP code 91903
The ZIP code 91903 routes mail to Alpine 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
91903 - Alpine
ZIP code 91903 is Alpine in California, United States.
| ZIP code | 91903 |
| Place | Alpine |
| Region | California |
| District | San Diego |
| Country | United States (US) |
| Coordinates | 32.8351, -116.7664 (map) |