ZIP Code 18603
Berwick · Columbia, Pennsylvania
18603 is the ZIP code of Berwick in Columbia, Pennsylvania, United States.
- ZIP Code
- 18603
- County
- Columbia
- State
- Pennsylvania
- Country
- United States
Place with ZIP code 18603
| Place | County | Location |
|---|---|---|
| Berwick | Columbia | 41.066, -76.244 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 18603?
Berwick.
Which county and state is 18603 in?
Columbia, Pennsylvania, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.