| Business | Phone |
| Osage County Circuit Clerk 106 E Main St, Linn 65051 | (573) 897-3114 |
| Osage County Collector 106 E Main St, Linn 65051 | (573) 897-2135 |
| Osage County Maintenance Bldg 523 Highway 89 S, Linn 65051 | (573) 897-3919 |
| Osage County Public Adm 106 The Sq, Linn 65051 | (573) 897-2338 |
| Osage County Soil & Water Dist 1016 E Main St, Linn 65051 | (573) 897-3129 |
| Osage University Extension Center Main St, Linn 65051 | (573) 897-3648 |