City · West Virginia · United States
Williamstown, WV — ZIP codes
1 ZIP code · Wood County
- City
- Williamstown
- County
- Wood
- State
- West Virginia
- Country
- United States
- Postal code
- 26187Single source
- Coordinates
- 39.3824, -81.4566 View on OpenStreetMap
- Area codes
- 681, 304 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 26187 | Williamstown | Single source |
Sources and verification
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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.