About ZIP code 18421
The ZIP code 18421 routes mail to Forest City 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
18421 - Forest City
ZIP code 18421 is Forest City in Pennsylvania, United States.
| ZIP code | 18421 |
| Place | Forest City |
| Region | Pennsylvania |
| District | Susquehanna |
| Country | United States (US) |
| Coordinates | 41.6515, -75.4666 (map) |