| Post Office Name | US Post Office |
| Address | 102 E Main St |
| City | Hosmer |
| State | South Dakota |
| Phone Number | (605) 283-2270 |
| Latitude | 45.5497 |
| Longitude | -99.5233 |
57448 US Post Office in Hosmer, South Dakota is located at 102 E Main St. The Hosmer Post Office Number is (605) 283-2270
