Kossuth County ZIP Codes

Kossuth County is a county of Iowa.

ZIP codes: 12
Cities & towns: 12
Area codes: 2
Land area: 973 sq mi

Every ZIP code in Kossuth County

504xx–505xx

The complete list of Kossuth County, IA ZIP codes with the city each one delivers to.
ZIP code	City
50451	Lakota
50480	Titonka
50483	Wesley
50511	Algona
50517	Bancroft
50522	Burt
50539	Fenton
50556	Ledyard
50559	Lone Rock
50560	Lu Verne
50590	Swea City
50598	Whittemore

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Kossuth County

Area codes covering Kossuth County

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

Where Kossuth County's ZIP codes sit

Each point is the reference point of one Kossuth 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 Kossuth 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.