Logan County ZIP Codes

Logan County is a county of North Dakota.

ZIP codes: 3
Cities & towns: 3
Area codes: 1
Land area: 993 sq mi

Every ZIP code in Logan County

584xx–585xx

The complete list of Logan County, ND ZIP codes with the city each one delivers to.
ZIP code	City
58440	Fredonia
58442	Gackle
58561	Napoleon

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Logan County

Area codes covering Logan County

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

701 Area code 701

Where Logan County's ZIP codes sit

Each point is the reference point of one Logan 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 Logan 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.