About ZIP code 18103
The ZIP code 18103 routes mail to Allentown 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 · ZIP code
18103 - Allentown
ZIP code 18103 is Allentown in Pennsylvania, United States.
| ZIP code | 18103 |
| Place | Allentown |
| Region | Pennsylvania |
| District | Lehigh |
| Country | United States (US) |
| Coordinates | 40.5891, -75.4645 (map) |
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Frequently Asked Questions
ZIP code 18103 explained
Which city is ZIP code 18103 in?
ZIP code 18103 is Allentown in Pennsylvania, United States.
What are the coordinates of 18103?
The approximate centre of 18103 is at latitude 40.5891, longitude -75.4645.
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