| Business | Phone |
| Oregon County Circuit Clerk 10 Court Sq, Alton 65606 | (417) 778-7460 |
| Oregon County Collector's Ofc Po Box 352, Alton 65606 | (417) 778-7495 |
| Oregon County Public Adm Po Box 483, Alton 65606 | (417) 778-7780 |
| Oregon County Recorder Oregon County Courthouse # 10, Alton 65606 | (417) 778-7460 |
| Oregon County Road District Court Square, Alton 65606 | (417) 778-6505 |
| University Outreach & Ext 1 Court Sq, Alton 65606 | (417) 778-7490 |