Founded in 1806, Campbell County is one of 95 counties in the state of Tennessee. Historically, Campbell County was formed from Anderson and Claiborne counties. The city of Jacksboro is the county seat. With FIPS code of 13, Campbell County has a population of 39,578 and area of 480 square miles (1,243 km2).
List of all cities in Campbell County, TN alphabetically
| City/Town | Postal Code | Area Code |
| Caryville, TN | 37714 | 423 |
| Duff, TN | 37729 | 423 |
| Jacksboro, TN | 37757 | 423 |
| Jellico, TN | 37762 | 423 |
| La Follette, TN | 37729 | 423 |
| 37766 | 423 | |
| Lafollette, TN | 37766 | 423 |
| Morley, TN | 37766 | 423 |
| Newcomb, TN | 37819 | 423 |
| Pioneer, TN | 37847 | 423 |