Postal reference
ZIP 18603, Pennsylvania
ZIP code 18603 is associated with Berwick in Pennsylvania in the GeoNames postal reference.
Reference details
- State
- Pennsylvania (PA)
- ZIP code
- 18603
- Associated localities
- Berwick
- County names in postal records
- Columbia
- Approximate postal point
- 41.0665, -76.2443
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.