| Business | Phone |
| Tillman County Barn District 2 700 S 8th St, Frederick 73542 | (580) 335-3110 |
| Tillman County Commissioners 1200 S Main St, Frederick 73542 | (580) 335-2156 |
| Tillman County Election Board 201 N 10th St # 5, Frederick 73542 | (580) 335-2287 |
| Tillman County Historical 223 N 9th St, Frederick 73542 | (580) 335-2894 |
| Tillman County Juvenile Svc 200 N 10th St, Frederick 73542 | (580) 335-2660 |
| Tillman County Osu Extension 201 N Main St, Frederick 73542 | (580) 335-2515 |