Counties in Northeast Tennessee Mountains Region
- Hancock County TN
- Hawkins County TN
- Sullivan County TN
- Johnson County TN
- Greene County TN
- Washington County TN
- Carter County TN
- Unicoi County TN
Counties in Great Smoky Mountains TN Region
- Scott County TN
- Campbell County TN
- Claiborne County TN
- Union County TN
- Grainger County TN
- Hamblin County TN
- Morgan County TN
- Anderson County TN
- Knox County TN
- Jefferson County TN
- Roan County TN
- Loudon County TN
- Monroe County TN
Counties in Knoxville and Middle East TN Region
- Blount County TN
- Sevier County TN
- Cooke County TN
Counties in Chattanooga and the Southeast Mountains
- Marion County TN
- Grundy County TN
- Sequatchie County TN
- Bledsoe County TN
- Rhea County TN
- Hamilton County TN
- Meigs County TN
- McMinn County TN
- Bradley County TN
- Polk County TN
- Franklin County TN