Johnson County ZIP Codes

Johnson County is a county of Nebraska.

ZIP codes: 5
Cities & towns: 5
Area codes: 2
Land area: 376 sq mi

Every ZIP code in Johnson County

683xx–684xx

The complete list of Johnson County, NE ZIP codes with the city each one delivers to.
ZIP code	City
68329	Cook
68332	Crab Orchard
68348	Elk Creek
68443	Sterling
68450	Tecumseh

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Johnson County

Area codes covering Johnson County

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

Where Johnson County's ZIP codes sit

Each point is the reference point of one Johnson 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 Johnson 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.