Founded in 1870, Hamblen County is one of 95 counties in the state of Tennessee. Historically, Hamblen County was formed from Jefferson, Grainger and Greene counties. The city of Morristown is the county seat. With FIPS code of 63, Hamblen County has a population of 64,468 and area of 161 square miles (417 km2).
List of all cities in Hamblen County, TN alphabetically
| City/Town | Postal Code | Area Code |
| Lowland, TN | 37778 | 423 |
| Morristown, TN | 37813 | 423 |
| 37814 | 423 | |
| 37815 | 423 | |
| 37816 | 423 | |
| Russellville, TN | 37860 | 423 |
| Talbott, TN | 37877 | 423 |
| Whitesburg, TN | 37891 | 423 |