ZIP Code 18101 – Allentown, Pennsylvania
The 18101 ZIP Code belongs to Allentown, Pennsylvania. The population in this 18101 ZIP code is 5,789. The latitude is 40.60301 and longitude is -75.4698 in 18101 Allentown, Pennsylvania. The time zone for this 18101 ZIP code is America/New_York.
| City | Allentown |
| Zip Code | 18101 |
| State | Pennsylvania |
| County | Lehigh |
| Population | 5,789 |
| Latitude | 40.60301 |
| Longitude | -75.4698 |
| Time Zone | America/New_York |