ZIP code · Berwick · Pennsylvania · United States
ZIP code 18603 — Berwick
ZIP code 18603 serves Berwick, Pennsylvania.
- Postal code
- 18603Single source Value from one source, not cross-checked.
- City
- Berwick
- County
- Columbia
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 41.0665, -76.2443 — precision precise (locality)
View on OpenStreetMap - Population
- 18,985 (ZCTA, ACS 5-year)
- Median household income
- $55,969
- Median age
- 47
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page