About ZIP code 18003
The ZIP code 18003 routes mail to Lehigh 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
18003 - Lehigh Valley
ZIP code 18003 is Lehigh Valley in Pennsylvania, United States.
| ZIP code | 18003 |
| Place | Lehigh Valley |
| Region | Pennsylvania |
| District | Northampton |
| Country | United States (US) |
| Coordinates | 40.6934, -75.4712 (map) |