| | | Lewis County | TN | 47101 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LewisCounty+TN |
| | | Lincoln County | TN | 47103 | | Fayetteville, TN 22190 | Huntsville-Decatur-Albertville,
AL-TN 290 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=LincolnCounty+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 |
| | | Macon County | TN | 47111 | | Nashville-Davidson--Murfreesboro--Franklin,
TN 34980 | Nashville-Davidson--Murfreesboro,
TN 400 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MaconCounty+TN |
| | | Madison County | TN | 47113 | | Jackson, TN 27180 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=MadisonCounty+Tennessee |
| | | Marion County | TN | 47115 | | Chattanooga, TN-GA 16860 | Chattanooga-Cleveland-Dalton,
TN-GA-AL 174 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MarionCounty+TN |
| | | Marshall County | TN | 47117 | | Lewisburg, TN 30280 | Nashville-Davidson--Murfreesboro,
TN 400 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=MarshallCounty+TN |
| | | Maury County | TN | 47119 | | Nashville-Davidson--Murfreesboro--Franklin,
TN 34980 | Nashville-Davidson--Murfreesboro,
TN 400 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MauryCounty+TN |
| | | McMinn County | TN | 47107 | | Athens, TN 11940 | Chattanooga-Cleveland-Dalton,
TN-GA-AL 174 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=McMinnCounty+TN |
| | | McNairy County | TN | 47109 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=McNairyCounty+TN |
