ZIP code · Allentown · Pennsylvania · United States
ZIP code 18106 — Allentown
ZIP code 18106 serves Allentown, Pennsylvania.
- Postal code
- 18106Single source Value from one source, not cross-checked.
- City
- Allentown
- County
- Lehigh
- State
- Pennsylvania
- Country
- United States
- Coordinates
- 40.5824, -75.5911 — precision precise (locality)
View on OpenStreetMap - Population
- 6,437 (ZCTA, ACS 5-year)
- Median household income
- $86,361
- Median age
- 48.4
- 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 · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page