Frankfort, SD
ZIP Codes in Frankfort, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57440 | 506 | 44.8534, -98.2567 |
Frankfort has 1 ZIP code
ZIP Codes in Frankfort, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57440 | 506 | 44.8534, -98.2567 |