4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 28782 | Tryon | 6,420 |
| 28722 | Columbus | 6,239 |
| 28756 | Mill Spring | 4,244 |
| 28773 | Saluda | 2,949 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Polk County, North Carolina (US Census).