Mason County ZIP Codes

Mason County is a county of West Virginia.

ZIP codes: 13
Cities & towns: 13
Area codes: 2
Land area: 431 sq mi

Every ZIP code in Mason County

251xx–255xx

The complete list of Mason County, WV ZIP codes with the city each one delivers to.
ZIP code	City
25106	Henderson
25123	Leon
25187	Southside
25247	Hartford
25253	Letart
25260	Mason
25265	New Haven
25287	West Columbia
25502	Apple Grove
25503	Ashton
25515	Gallipolis Ferry
25520	Glenwood
25550	Point Pleasant

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Mason County codes above are listed without a column we would have to invent.

Cities and towns in Mason County

A further 7 places in Mason County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Mason County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Mason County's ZIP codes sit

Each point is the reference point of one Mason County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Scope every ZIP code recorded in Mason County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.