ZIP Code 57650 – Ralph, South Dakota
The 57650 ZIP Code belongs to Ralph, South Dakota. The population in this 57650 ZIP code is 14. The latitude is 45.8346 and longitude is -103.03033 in 57650 Ralph, South Dakota. The time zone for this 57650 ZIP code is America/Denver.
| City | Ralph |
| Zip Code | 57650 |
| State | South Dakota |
| County | Harding |
| Population | 14 |
| Latitude | 45.8346 |
| Longitude | -103.03033 |
| Time Zone | America/Denver |