Clay County ZIP Codes

Clay County is a county of Indiana.

ZIP codes: 11
Cities & towns: 11
Area codes: 3
Land area: 358 sq mi

Every ZIP code in Clay County

478xx

The complete list of Clay County, IN ZIP codes with the city each one delivers to.
ZIP code	City
47833	Bowling Green
47834	Brazil
47837	Carbon
47840	Centerpoint
47841	Clay City
47845	Coalmont
47846	Cory
47853	Harmony
47857	Knightsville
47868	Poland
47881	Staunton

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Clay County

A further 5 places in Clay 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 Clay County

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

Where Clay County's ZIP codes sit

Each point is the reference point of one Clay 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 Clay 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.