Otoe County ZIP Codes

Otoe County is a county of Nebraska.

ZIP codes: 10
Cities & towns: 10
Area codes: 2
Land area: 616 sq mi

Every ZIP code in Otoe County

683xx–684xx

The complete list of Otoe County, NE ZIP codes with the city each one delivers to.
ZIP code	City
68324	Burr
68344	Douglas
68346	Dunbar
68382	Lorton
68410	Nebraska City
68417	Otoe
68418	Palmyra
68446	Syracuse
68448	Talmage
68454	Unadilla

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Otoe County

Area codes covering Otoe County

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

Where Otoe County's ZIP codes sit

Each point is the reference point of one Otoe 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 Otoe 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.