About ZIP code 57231
The ZIP code 57231 routes mail to De Smet in the South Dakota region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
57231 - De Smet
ZIP code 57231 is De Smet in South Dakota, United States.
| ZIP code | 57231 |
| Place | De Smet |
| Region | South Dakota |
| District | Kingsbury |
| Country | United States (US) |
| Coordinates | 44.3852, -97.5634 (map) |