Emmet County ZIP Codes

Emmet County is a county of Iowa.

ZIP codes: 5
Cities & towns: 5
Area codes: 1
Land area: 396 sq mi

Every ZIP code in Emmet County

505xx–513xx

The complete list of Emmet County, IA ZIP codes with the city each one delivers to.
ZIP code	City
50514	Armstrong
50531	Dolliver
50578	Ringsted
51334	Estherville
51365	Wallingford

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Emmet County

Area codes covering Emmet County

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

712 Area code 712

Where Emmet County's ZIP codes sit

Each point is the reference point of one Emmet 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 Emmet 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.