| Business | Phone |
| Citizens Grievance Line 375 Church St # 215, Dayton 37321 | (423) 775-7801 |
| Rhea County Accountant's Office 375 Church St # 200, Dayton 37321 | (423) 775-7803 |
| Rhea County Agent 125 Court St # 3, Dayton 37321 | (423) 775-7807 |
| Rhea County Centralized Mntnc 1475 Market St, Dayton 37321 | (423) 775-7872 |
| Rhea County Circuit Ct Clerk 1475 Market St # 102, Dayton 37321 | (423) 775-7805 |
| Rhea County Election Commsn 125 Court St # 1, Dayton 37321 | (423) 775-7817 |
| Rhea County Ged 405 Pierce Rd, Dayton 37321 | (423) 570-5200 |
| Rhea County General Session 1475 Market St # 102, Dayton 37321 | (423) 775-7894 |
| Rhea County Juvenile Detention 1169 Market St, Dayton 37321 | (423) 775-6337 |
| Rhea County Juvenile Div 1475 Market St # 104, Dayton 37321 | (423) 775-7839 |
| Rhea County Registrar Office 375 Church St # 106, Dayton 37321 | (423) 775-7841 |
| Rhea County Tenn Care Elgblty 164 Walnut Grove Church Rd, Dayton 37321 | (423) 775-0107 |
| Rhea County Trustee 375 Church St # 110, Dayton 37321 | (423) 775-7810 |
| Rhea County Veteran's Affairs 375 Church St # 205, Dayton 37321 | (423) 775-7849 |