Edmunds County ZIP Codes

Edmunds County is a county of South Dakota.

ZIP codes: 4
Cities & towns: 4
Area codes: 1
Land area: 1,126 sq mi

Every ZIP code in Edmunds County

574xx

The complete list of Edmunds County, SD ZIP codes with the city each one delivers to.
ZIP code	City
57428	Bowdle
57448	Hosmer
57451	Ipswich
57471	Roscoe

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Edmunds County

Area codes covering Edmunds County

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

605 Area code 605

Where Edmunds County's ZIP codes sit

Each point is the reference point of one Edmunds 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 Edmunds 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.