Amherst, SD
ZIP Codes in Amherst, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57421 | 54 | 45.7555, -97.9071 |
Amherst has 1 ZIP code
ZIP Codes in Amherst, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57421 | 54 | 45.7555, -97.9071 |