Onaka, SD
ZIP Codes in Onaka, South Dakota
February 7, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57466 | 190 | 45.1970, -99.4585 |
Onaka has 1 ZIP code
ZIP Codes in Onaka, South Dakota
February 7, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57466 | 190 | 45.1970, -99.4585 |