ZIP CodesZIP codes in Corson County, South Dakota
Corson County, South Dakota has 10 ZIP codes in this list, from 57621 to 57660. They cover 10 places, among them Bullhead, Keldron, Little Eagle and Mc Intosh.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 57621 | Bullhead | 3.1 | 45.766, -101.081 |
| 57634 | Keldron | 201 | 45.753, -101.884 |
| 57639 | Little Eagle | 2.0 | 45.676, -100.804 |
| 57641 | Mc Intosh | 479 | 45.708, -101.155 |
| 57642 | Mc Laughlin | 693 | 45.876, -100.891 |
| 57645 | Morristown | 302 | 45.939, -101.723 |
| 57657 | Trail City | 191 | 45.472, -100.725 |
| 57658 | Wakpala | 63.6 | 45.701, -100.533 |
| 57659 | Walker | 13.5 | 45.910, -101.090 |
| 57660 | Watauga | 198 | 45.928, -101.513 |
The ZIP code areas of Corson County add up to about 2,147 square miles of land (5,561 sq km) as the Census Bureau draws them. The largest is 57642 (Mc Laughlin), with 693 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Bullhead, SD 57621.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.