United States
18109 post code
Post code details
1 placeCode
Place
Allentown
Region
Pennsylvania
County
Lehigh
Coordinates
40.6366, -75.4405
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗








40.6366, -75.4405© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Allentown | Pennsylvania | Lehigh | 40.6366, -75.4405 |
Same code in other countries
3FAQ
Which city is 18109 in?
Allentown, Pennsylvania, United States.
What are the coordinates of 18109?
40.6366, -75.4405
Is 18109 used in other countries?
Yes, 3 other countries.
The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in