| Business | Phone |
| Wayne County Circuit Clerk 109 Walnut St, Greenville 63944 | (573) 224-3014 |
| Wayne County Collector 109 Walnut St, Greenville 63944 | (573) 224-3018 |
| Wayne County Commission 109 Walnut St, Greenville 63944 | (573) 224-3010 |
| Wayne County Extension Ctr 110 Walnut St, Greenville 63944 | (573) 224-3035 |
| Wayne County Juvenile Office Courthouse, Greenville 63944 | (573) 224-3023 |
| Wayne County Probate Div 109 Walnut, Greenville 63944 | (573) 224-3052 |
| Wayne County Road & Bridge 109 Walnut St, Greenville 63944 | (573) 224-3771 |