| Business | Phone |
| Linn County Circuit Clerk Div 108 N High St, Linneus 64653 | (660) 895-5212 |
| Linn County Commissioner 108 N High St # 102, Linneus 64653 | (660) 895-5547 |
| Linn County Juvenile Officer 109 N High St, Linneus 64653 | (660) 895-5022 |
| Linn County Probate Div Po Box 93, Linneus 64653 | (660) 895-5222 |
| Linn County Recorder 108 N High St # 204, Linneus 64653 | (660) 895-5216 |
| Linn County Road & Bridge 108 N High St, Linneus 64653 | (660) 895-5211 |
| Linn County University Mo Ext 108 N High St # 104, Linneus 64653 | (660) 895-5123 |