Spink County ZIP Codes

Spink County is a county of South Dakota.

ZIP codes: 11
Cities & towns: 11
Area codes: 1
Land area: 1,503 sq mi

Every ZIP code in Spink County

574xx

The complete list of Spink County, SD ZIP codes with the city each one delivers to.
ZIP code	City
57424	Ashton
57429	Brentford
57434	Conde
57436	Doland
57440	Frankfort
57460	Mansfield
57461	Mellette
57465	Northville
57469	Redfield
57476	Tulare
57477	Turton

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Spink County

A further 1 place in Spink County appears in the postal source without a page of its own; its codes are in the table above and each one links to its own page.

Area codes covering Spink 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 Spink County's ZIP codes sit

Each point is the reference point of one Spink 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 Spink 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.