Complete ZIP Code Details
| ZIP Code | 57730 |
| City | Custer |
| State | South Dakota (SD) |
| County | Custer |
| Timezone | America/Denver |
| Coordinates | 43.7256100, -103.6373300 |
| Population | 5,596 |
| ZIP Type | STANDARD |
| Country | United States |
| ZIP Code | 57730 |
| City | Custer |
| State | South Dakota (SD) |
| County | Custer |
| Timezone | America/Denver |
| Coordinates | 43.7256100, -103.6373300 |
| Population | 5,596 |
| ZIP Type | STANDARD |
| Country | United States |