ZIP Code 57470 – Rockham, South Dakota
The 57470 ZIP Code belongs to Rockham, South Dakota. The population in this 57470 ZIP code is 142. The latitude is 44.87726 and longitude is -98.86709 in 57470 Rockham, South Dakota. The time zone for this 57470 ZIP code is America/Chicago.
| City | Rockham |
| Zip Code | 57470 |
| State | South Dakota |
| County | Hand |
| Population | 142 |
| Latitude | 44.87726 |
| Longitude | -98.86709 |
| Time Zone | America/Chicago |