About ZIP code 16603
The ZIP code 16603 routes mail to Altoona in the Pennsylvania 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
16603 - Altoona
ZIP code 16603 is Altoona in Pennsylvania, United States.
| ZIP code | 16603 |
| Place | Altoona |
| Region | Pennsylvania |
| District | Blair |
| Country | United States (US) |
| Coordinates | 40.5018, -78.41 (map) |