Brookings County ZIP Codes

Brookings County is a county of South Dakota.

ZIP codes: 8
Cities & towns: 7
Area codes: 1
Land area: 792 sq mi

Every ZIP code in Brookings County

570xx–572xx

The complete list of Brookings County, SD ZIP codes with the city each one delivers to.
ZIP code	City
57002	Aurora
57006	Brookings
57007	Brookings
57026	Elkton
57061	Sinai
57071	Volga
57220	Bruce
57276	White

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Brookings County

Area codes covering Brookings 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 Brookings County's ZIP codes sit

Each point is the reference point of one Brookings 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 Brookings 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.