| Post Office Name | US Post Office |
| Address | 119 E Center St |
| City | Madison |
| State | South Dakota |
| Phone Number | (605) 256-2035 |
| Latitude | 43.9866 |
| Longitude | -97.1364 |
57042 US Post Office in Madison, South Dakota is located at 119 E Center St. The Madison Post Office Number is (605) 256-2035
