Mill Spring, NC zip code
Mill Spring, North Carolina uses one zip code: 28756. Most of it is in Polk County. Together these zip codes are home to about 4.7K people.
Zip codes
1
Population
4.7K
All zips combined
Largest zip
28756
4,706 residents
Zip codes in Mill Spring
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 28756 | 4,706 | $63,663 |