5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 27549 | Louisburg | 25,543 |
| 27596 | Youngsville | 22,232 |
| 27525 | Franklinton | 17,110 |
| 27816 | Castalia | 3,019 |
| 27508 | Bunn | 2,362 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Franklin County, North Carolina (US Census).