| Post Office Name | US Post Office |
| Address | 814 Main St |
| City | Armour |
| State | South Dakota |
| Phone Number | (605) 724-2227 |
| Latitude | 43.3048 |
| Longitude | -98.3437 |
57313 US Post Office in Armour, South Dakota is located at 814 Main St. The Armour Post Office Number is (605) 724-2227
