ZIP code · Williamstown · West Virginia · United States
ZIP code 26187 — Williamstown
ZIP code 26187 serves Williamstown, West Virginia.
- Postal code
- 26187Single source Value from one source, not cross-checked.
- City
- Williamstown
- County
- Wood
- State
- West Virginia
- Country
- United States
- Coordinates
- 39.3824, -81.4566 — precision precise (locality)
View on OpenStreetMap - Population
- 6,100 (ZCTA, ACS 5-year)
- Median household income
- $80,714
- Median age
- 48
- 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