| Business | Phone |
| Fillmore County Agricultural Po Box 655, Preston 55965 | (507) 765-3325 |
| Fillmore County Coordinator 101 Fillmore St E, Preston 55965 | (507) 765-4566 |
| Fillmore County Courthouse 101 Fillmore St, Preston 55965 | (507) 765-2144 |
| Fillmore County Engineers Ofc 909 Houston St Nw, Preston 55965 | (507) 765-3854 |
| Fillmore County Extension Agnt 902 Houston St Nw # 3, Preston 55965 | (507) 765-3896 |
| Fillmore County Highway Shop 909 Houston St Nw, Preston 55965 | (507) 765-3835 |
| Fillmore County Recorder 101 Fillmore St E, Preston 55965 | (507) 765-3852 |
| Fillmore County Surveyor 909 Houston St Nw, Preston 55965 | (507) 765-4400 |
| Fillmore County Veterans Ofc 902 Houston St Nw # 4, Preston 55965 | (507) 765-4937 |