Eastern Region

This Region includes the following counties:
Anderson, Blount, Campbell, Cumberland, Loudon, Knox, Meigs, Morgan, Rhea, Roane, Scott, and Union counties.

Southern Region

This Region includes the following counties:
Bedford, Bledsoe, Bradley, Cannon, Coffee, Franklin, Grundy, Hamilton, Lincoln, Marion, McMinn, Monroe, Moore, Polk, Sequatchie, Van Buren, and Warren counties.

Western Region

This Region includes the following counties:
Clay, DeKalb, Fentress, Jackson, Macon, Overton, Pickett, Putnam, Smith, Sumner, Trousdale, White, and Wilson counties.