ZIP Code 25503

25503 is one of West Virginia's ZIP codes, delivering to addresses in Ashton, Mason County.

City: Ashton
County: Mason County
State: West Virginia
Prefix: 255xx

Where this code sits

25503 is part of the 255xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ashton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 25503 delivers to without sharing its boundary.

ZIP codes nearest 25503

The ZIP codes whose reference points sit closest to 25503.
ZIP code	Distance	Delivers to
ZIP code 25520	3.6 mi	Glenwood, WV
ZIP code 25502	3.8 mi	Apple Grove, WV
ZIP code 25082	6.5 mi	Fraziers Bottom, WV
ZIP code 45623	8.3 mi	Crown City, OH
ZIP code 25033	8.8 mi	Buffalo, WV
ZIP code 25187	9.8 mi	Southside, WV
ZIP code 25070	10 mi	Eleanor, WV
ZIP code 25515	11 mi	Gallipolis Ferry, WV

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 25503, plotted from its record coordinates.

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

Scope ZIP code 25503. 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.