ZIP CodesZIP codes in Sioux County, North Dakota
Sioux County, North Dakota has 4 ZIP codes in this list, from 58528 to 58570. They cover 4 places, among them Cannon Ball, Fort Yates, Selfridge and Solen.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 58528 | Cannon Ball | 59.3 | 46.387, -100.597 |
| 58538 | Fort Yates | 162 | 46.090, -100.652 |
| 58568 | Selfridge | 420 | 46.035, -101.150 |
| 58570 | Solen | 340 | 46.366, -100.783 |
The ZIP code areas of Sioux County add up to about 981 square miles of land (2,542 sq km) as the Census Bureau draws them. The largest is 58568 (Selfridge), with 420 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Cannon Ball, ND 58528.
- 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.