| | Carter County | TN | 47019 | | Johnson City, TN 27740 | Johnson
City-Kingsport-Bristol,
TN-VA 304 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=CarterCounty+TN |
| | Unicoi County | TN | 47171 | | Johnson City, TN 27740 | Johnson
City-Kingsport-Bristol,
TN-VA 304 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=UnicoiCounty+TN |
| | Washington County | TN | 47179 | | Johnson City, TN 27740 | Johnson
City-Kingsport-Bristol,
TN-VA 304 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=WashingtonCounty+TN |