About ZIP code 16103
The ZIP code 16103 routes mail to New Castle 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
16103 - New Castle
ZIP code 16103 is New Castle in Pennsylvania, United States.
| ZIP code | 16103 |
| Place | New Castle |
| Region | Pennsylvania |
| District | Lawrence |
| Country | United States (US) |
| Coordinates | 40.9897, -80.3084 (map) |