Clay County ZIP Codes

Clay County is a county of Nebraska.

ZIP codes: 11
Cities & towns: 11
Area codes: 2
Land area: 572 sq mi

Every ZIP code in Clay County

684xx–689xx

The complete list of Clay County, NE ZIP codes with the city each one delivers to.
ZIP code	City
68452	Ong
68933	Clay Center
68934	Deweese
68935	Edgar
68938	Fairfield
68941	Glenvil
68944	Harvard
68954	Inland
68975	Saronville
68979	Sutton
68980	Trumbull

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Clay County

A further 1 place in Clay 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 Clay County

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

Where Clay County's ZIP codes sit

Each point is the reference point of one Clay 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 Clay 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.