ZIP code · Allentown · Pennsylvania · United States
ZIP code 18105 — Allentown
ZIP code 18105 serves Allentown, Pennsylvania.
- Postal code
- 18105Single source Value from one source, not cross-checked.
- City
- Allentown
- County
- Lehigh
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 40.6084, -75.4902 — precision precise (locality)
View on OpenStreetMap - Time zone
- America/New_York (UTC−5 / UTC−4 DST)
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. Data generated on 2026-08-21. Methodology · Report an error on this page