About ZIP code 15421
The ZIP code 15421 routes mail to Chalk Hill 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
15421 - Chalk Hill
ZIP code 15421 is Chalk Hill in Pennsylvania, United States.
| ZIP code | 15421 |
| Place | Chalk Hill |
| Region | Pennsylvania |
| District | Fayette |
| Country | United States (US) |
| Coordinates | 39.8451, -79.5991 (map) |