Smithwick, SD
ZIP Codes in Smithwick, South Dakota
February 7, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57782 | 63 | 43.2397, -103.5278 |
Smithwick has 1 ZIP code
ZIP Codes in Smithwick, South Dakota
February 7, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57782 | 63 | 43.2397, -103.5278 |