| Business | Phone |
| Durant Elementary School 601 W 5th St, Sumner 50674 | (563) 578-3354 |
| Sumner Junior High 300 W 4th St, Sumner 50674 | (563) 578-5421 |
| Sumner-Fredericksburg Hs 802 W 6th St, Sumner 50674 | (563) 578-3342 |
| Sumner Superintendent's Office 802 W 6th St, Sumner 50674 | (563) 578-3425 |