9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37398 | Winchester | 15,755 |
| 37330 | Estill Springs | 7,204 |
| 37324 | Decherd | 5,628 |
| 37375 | Sewanee | 3,866 |
| 37345 | Huntland | 2,659 |
| 37318 | Cowan | 2,103 |
| 37306 | Belvidere | 1,919 |
| 37376 | Sherwood | 361 |
| 37383 | Sewanee | 344 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Franklin County, Tennessee (US Census).