De Smet, SD
ZIP Codes in De Smet, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57231 | 1,733 | 44.3758, -97.5823 |
De Smet has 1 ZIP code
ZIP Codes in De Smet, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57231 | 1,733 | 44.3758, -97.5823 |