Calhoun County ZIP Codes

Calhoun County is a county of West Virginia.

ZIP codes: 8
Cities & towns: 8
Area codes: 2
Land area: 279 sq mi

Every ZIP code in Calhoun County

252xx–261xx

The complete list of Calhoun County, WV ZIP codes with the city each one delivers to.
ZIP code	City
25234	Arnoldsburg
25235	Chloe
25261	Millstone
25268	Orma
26136	Big Bend
26137	Big Springs
26147	Grantsville
26151	Mount Zion

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Calhoun County codes above are listed without a column we would have to invent.

Cities and towns in Calhoun County

A further 7 places in Calhoun 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 Calhoun County

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

Where Calhoun County's ZIP codes sit

Each point is the reference point of one Calhoun 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 Calhoun 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.