ZIP code · Williamstown · New Jersey · United States
ZIP code 08094 — Williamstown
ZIP code 08094 serves Williamstown, New Jersey.
- Postal code
- 08094Single source Value from one source, not cross-checked.
- City
- Williamstown
- County
- Gloucester
- State
- New Jersey
- Country
- United States
- Coordinates
- 39.6650, -74.9710 — precision precise (locality)
View on OpenStreetMap - Population
- 40,542 (ZCTA, ACS 5-year)
- Median household income
- $92,125
- Median age
- 39.7
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 856Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
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