North Sioux City, SD
ZIP Codes in North Sioux City, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57049 | 7,661 | 42.5233, -96.5097 |
North Sioux City has 1 ZIP code
ZIP Codes in North Sioux City, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57049 | 7,661 | 42.5233, -96.5097 |