Custer, SD
ZIP Codes in Custer, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57730 | 5,809 | 43.7266, -103.6486 |
Custer has 1 ZIP code
ZIP Codes in Custer, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57730 | 5,809 | 43.7266, -103.6486 |