Allentown, PA
ZIP Codes in Allentown, Pennsylvania
December 20, 2025
| ZIP Code | Population | Coordinates |
|---|---|---|
| 18101 | 5,673 | 40.6032, -75.4695 |
| 18102 | 51,640 | 40.6079, -75.4762 |
| 18103 | 48,344 | 40.5703, -75.4889 |
| 18104 | 46,259 | 40.6117, -75.5469 |
| 18105 | -- | 40.6934, -75.4712 |
| 18106 | 6,759 | 40.5637, -75.5652 |
| 18109 | 17,745 | 40.6934, -75.4712 |
| 18175 | -- | 40.5856, -75.6211 |
| 18195 | 0 | 40.5798, -75.5799 |
Allentown has 9 ZIP codes