Barton County ZIP Codes

Barton County is a county of Missouri.

ZIP codes: 5
Cities & towns: 5
Area codes: 1
Land area: 592 sq mi

Every ZIP code in Barton County

647xx

The complete list of Barton County, MO ZIP codes with the city each one delivers to.
ZIP code	City
64748	Golden City
64759	Lamar
64762	Liberal
64766	Milford
64769	Mindenmines

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Barton County

Area codes covering Barton County

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

417 Area code 417

Where Barton County's ZIP codes sit

Each point is the reference point of one Barton 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 Barton 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.