| Post Office Name | US Post Office |
| Address | 301 Maple St |
| City | Summit |
| State | South Dakota |
| Phone Number | (605) 398-6348 |
| Latitude | 45.3868 |
| Longitude | -97.0435 |
57266 US Post Office in Summit, South Dakota is located at 301 Maple St. The Summit Post Office Number is (605) 398-6348
