Decatur County ZIP Codes

Decatur County is a county of Kansas.

ZIP codes: 4
Cities & towns: 4
Area codes: 1
Land area: 894 sq mi

Every ZIP code in Decatur County

676xx–677xx

The complete list of Decatur County, KS ZIP codes with the city each one delivers to.
ZIP code	City
67635	Dresden
67643	Jennings
67653	Norcatur
67749	Oberlin

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Decatur County

Area codes covering Decatur County

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

785 Area code 785

Where Decatur County's ZIP codes sit

Each point is the reference point of one Decatur 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 Decatur 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.