City · North Carolina · United States
Mill Spring, NC — ZIP codes
1 ZIP code · Polk County
- City
- Mill Spring
- County
- Polk
- State
- North Carolina
- Country
- United States
- Postal code
- 28756Single source
- Coordinates
- 35.3338, -82.1557 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 28756 | Mill Spring | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Last generated : 2026-08-21. Report an error.