Sherman County ZIP Codes

Sherman County is a county of Nebraska.

ZIP codes: 5
Cities & towns: 5
Area codes: 1
Land area: 566 sq mi

Every ZIP code in Sherman County

688xx

The complete list of Sherman County, NE ZIP codes with the city each one delivers to.
ZIP code	City
68817	Ashton
68844	Hazard
68852	Litchfield
68853	Loup City
68871	Rockville

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Sherman County

Area codes covering Sherman 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 Sherman County's ZIP codes sit

Each point is the reference point of one Sherman 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 Sherman 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.