ZIP Code 26187

26187 is one of West Virginia's ZIP codes, delivering to addresses in Williamstown, Wood County.

City: Williamstown
County: Wood County
State: West Virginia
Prefix: 261xx

Where this code sits

26187 is part of the 261xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Williamstown.

Williamstown West Virginia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 26187 delivers to without sharing its boundary.

ZIP codes nearest 26187

The ZIP codes whose reference points sit closest to 26187.
ZIP code	Distance	Delivers to
ZIP code 45750	3.2 mi	Marietta, OH
ZIP code 26105	6.0 mi	Vienna, WV
ZIP code 26184	6.1 mi	Waverly, WV
ZIP code 26104	7.3 mi	Parkersburg, WV
ZIP code 45729	8.4 mi	Fleming, OH
ZIP code 26101	9.2 mi	Parkersburg, WV
ZIP code 45714	10 mi	Belpre, OH
ZIP code 45788	10 mi	Whipple, OH

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 26187, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 26187. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.