4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 28782 | Tryon | 6,519 |
| 28722 | Columbus | 6,086 |
| 28756 | Mill Spring | 4,706 |
| 28773 | Saluda | 3,441 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Polk County, North Carolina (US Census).