ZIP CodesZIP codes in Edmunds County, South Dakota
Edmunds County, South Dakota has 4 ZIP codes in this list, from 57428 to 57471. They cover 4 places, among them Bowdle, Hosmer, Ipswich and Roscoe.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 57428 | Bowdle | 194 | 45.453, -99.654 |
| 57448 | Hosmer | 165 | 45.569, -99.486 |
| 57451 | Ipswich | 430 | 45.449, -99.015 |
| 57471 | Roscoe | 368 | 45.427, -99.333 |
The ZIP code areas of Edmunds County add up to about 1,156 square miles of land (2,995 sq km) as the Census Bureau draws them. The largest is 57451 (Ipswich), with 430 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Bowdle, SD 57428.
- 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.