Adams County ZIP Codes

Adams County is a county of Indiana.

ZIP codes: 7
Cities & towns: 7
Area codes: 1
Land area: 339 sq mi

Every ZIP code in Adams County

467xx

The complete list of Adams County, IN ZIP codes with the city each one delivers to.
ZIP code	City
46711	Berne
46733	Decatur
46740	Geneva
46769	Linn Grove
46772	Monroe
46780	Pleasant Mills
46782	Preble

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Adams County

A further 3 places in Adams 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 Adams County

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

260 Area code 260

Where Adams County's ZIP codes sit

Each point is the reference point of one Adams 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 Adams 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.