| Business | Phone |
| Superintendent Of Highway 1215 Seymour Ave, Hillsboro 62049 | (217) 532-6109 |
| Christian Montgomery Regl Syst 1 Courthouse Sq, Hillsboro 62049 | (217) 532-2019 |
| Montgomery Circuit Clerk 120 N Main St, Hillsboro 62049 | (217) 532-9546 |
| Montgomery County Ambulance 120 N Main St, Hillsboro 62049 | (217) 532-9562 |
| Montgomery County Assessment 1 Courthouse Sq 3, Hillsboro 62049 | (217) 532-9595 |
| Montgomery County Solid Waste 1 Courthouse Sq, Hillsboro 62049 | (217) 532-9577 |
| Montgomery County Coordinator 140 N Main St, Hillsboro 62049 | (217) 532-9563 |
| Montgomery County Day Trtmnt 1404 School St, Hillsboro 62049 | (217) 532-2607 |
| Montgomery County Tuberculosis 11191 Illinois Route 185, Hillsboro 62049 | (217) 532-5026 |
| Montgomery County Victim Witne 120 N Main St 212, Hillsboro 62049 | (217) 532-9528 |
| Montgomery Cty Treas Office 1 Old Historic Courthouse Sq, Hillsboro 62049 | (217) 532-9527 |
| Montgomery Traffic Clerk 120 N Main St, Hillsboro 62049 | (217) 532-9541 |