| | Anderson County | TN | 47001 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=AndersonCounty+TN |
| | Blount County | TN | 47009 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BlountCounty+TN |
| | Campbell County | TN | 47013 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=CampbellCounty+TN |
| | Grainger County | TN | 47057 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=GraingerCounty+TN |
| | Knox County | TN | 47093 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=KnoxCounty+TN |
| | Loudon County | TN | 47105 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LoudonCounty+TN |
| | Morgan County | TN | 47129 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=MorganCounty+TN |
| | Roane County | TN | 47145 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=RoaneCounty+TN |
| | Union County | TN | 47173 | | Knoxville, TN 28940 | Knoxville-Morristown-Sevierville,
TN 315 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=UnionCounty+TN |