9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37398 | Winchester | 15,712 |
| 37330 | Estill Springs | 7,279 |
| 37324 | Decherd | 5,168 |
| 37375 | Sewanee | 3,997 |
| 37345 | Huntland | 2,635 |
| 37318 | Cowan | 2,245 |
| 37306 | Belvidere | 1,891 |
| 37376 | Sherwood | 342 |
| 37383 | Sewanee | 326 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Franklin County, Tennessee (US Census).