Postal reference
ZIP 18103, Pennsylvania
ZIP code 18103 is associated with Allentown in Pennsylvania in the GeoNames postal reference.
Reference details
- State
- Pennsylvania (PA)
- ZIP code
- 18103
- Associated localities
- Allentown
- County names in postal records
- Lehigh
- Approximate postal point
- 40.5891, -75.4645
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.