| Post Office Name | US Post Office |
| Address | 207 Main Ave |
| City | Hayti |
| State | South Dakota |
| Phone Number | (605) 783-3221 |
| Latitude | 44.6748 |
| Longitude | -97.2476 |
57241 US Post Office in Hayti, South Dakota is located at 207 Main Ave. The Hayti Post Office Number is (605) 783-3221
