| Business | Phone |
| Boone County Circuit Court Ofc 705 E Walnut St, Columbia 65201 | (573) 886-4000 |
| Boone County Court Marshal 705 E Walnut St # 1, Columbia 65201 | (573) 886-4079 |
| Circuit Court Administrator 705 E Walnut St # 2, Columbia 65201 | (573) 886-4060 |
| Circuit Court Svc 705 E Walnut St # 6, Columbia 65201 | (573) 886-4180 |
| Circuit Court-Garnishments 705 E Walnut St # 6, Columbia 65201 | (573) 886-4028 |
| Circuit Court-Jury Commission 705 E Walnut St # 6, Columbia 65201 | (573) 886-4076 |
| Circuit Court-Probate 705 E Walnut St, Columbia 65201 | (573) 886-4090 |
| Circuit Court-Small Claims 705 E Walnut St, Columbia 65201 | (573) 886-4006 |
| Circuit Court-Traffic Vltns 705 E Walnut St, Columbia 65201 | (573) 886-4026 |
| Diego Court Apartments 12 Diego Ct, Columbia 65203 | (573) 443-7321 |
| Honorable Christine Carpenter 705 E Walnut St, Columbia 65201 | (573) 886-4050 |