Richardson County ZIP Codes

Richardson County is a county of Nebraska.

ZIP codes: 8
Cities & towns: 8
Area codes: 2
Land area: 552 sq mi

Every ZIP code in Richardson County

683xx–684xx

The complete list of Richardson County, NE ZIP codes with the city each one delivers to.
ZIP code	City
68337	Dawson
68355	Falls City
68376	Humboldt
68431	Rulo
68433	Salem
68437	Shubert
68442	Stella
68457	Verdon

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Richardson County

Area codes covering Richardson County

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

Where Richardson County's ZIP codes sit

Each point is the reference point of one Richardson 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 Richardson 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.