| Post Office Name | US Post Office |
| Address | 5 Main St |
| City | Mellette |
| State | South Dakota |
| Phone Number | (605) 887-3282 |
| Latitude | 45.1618 |
| Longitude | -98.4784 |
57461 US Post Office in Mellette, South Dakota is located at 5 Main St. The Mellette Post Office Number is (605) 887-3282
