zip code 18101 is a zipcode of Allentown, Pennsylvania state, usa. zip code of Allentown and its population information along with its latitude and longitude coordinates.
ZIP Code 18101
- Zip Code
- 18101
- City
- Allentown
- County
- Lehigh
- State
- Pennsylvania
- Latitude
- 40.603800
- Longitude
- -75.470300
- Population
- 3897