Dawson County ZIP Codes

Dawson County is a county of Nebraska.

ZIP codes: 8
Cities & towns: 8
Area codes: 1
Land area: 1,014 sq mi

Every ZIP code in Dawson County

688xx–691xx

The complete list of Dawson County, NE ZIP codes with the city each one delivers to.
ZIP code	City
68834	Eddyville
68850	Lexington
68863	Overton
68878	Sumner
69029	Farnam
69130	Cozad
69138	Gothenburg
69171	Willow Island

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Dawson County

A further 1 place in Dawson County appears in the postal source without a page of its own; its codes are in the table above and each one links to its own page.

Area codes covering Dawson County

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

308 Area code 308

Where Dawson County's ZIP codes sit

Each point is the reference point of one Dawson 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 Dawson 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.