About ZIP code 16420
The ZIP code 16420 routes mail to Grand Valley 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
16420 - Grand Valley
ZIP code 16420 is Grand Valley in Pennsylvania, United States.
| ZIP code | 16420 |
| Place | Grand Valley |
| Region | Pennsylvania |
| District | Warren |
| Country | United States (US) |
| Coordinates | 41.6963, -79.5473 (map) |