9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37398 | Winchester | 15,207 |
| 37330 | Estill Springs | 6,899 |
| 37324 | Decherd | 4,907 |
| 37375 | Sewanee | 3,898 |
| 37345 | Huntland | 2,541 |
| 37318 | Cowan | 2,323 |
| 37306 | Belvidere | 2,230 |
| 37383 | Sewanee | 326 |
| 37376 | Sherwood | 294 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Franklin County, Tennessee (US Census).