Chase County ZIP Codes

Chase County is a county of Kansas.

ZIP codes: 5
Cities & towns: 5
Area codes: 1
Land area: 773 sq mi

Every ZIP code in Chase County

668xx

The complete list of Chase County, KS ZIP codes with the city each one delivers to.
ZIP code	City
66843	Cedar Point
66845	Cottonwood Falls
66850	Elmdale
66862	Matfield Green
66869	Strong City

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Chase County

Area codes covering Chase County

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

620 Area code 620

Where Chase County's ZIP codes sit

Each point is the reference point of one Chase 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 Chase 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.