| Business | Phone |
| Tyndall Elementary School 1404 Fir St, Tyndall 57066 | (605) 589-3389 |
| Bon Homme High School 1404 Fir St, Tyndall 57066 | (605) 589-3387 |
| Bon Homme Superintendent 1404 Fir St, Tyndall 57066 | (605) 589-3388 |
| South Central Cooperative 406 W 14th Ave, Tyndall 57066 | (605) 589-3134 |