| Zip Code | City | Population ↓ |
|---|---|---|
| 28675 | Sparta | 6,591 |
| 28623 | Ennice | 1,771 |
| 28627 | Glade Valley | 1,371 |
| 28644 | Laurel Springs | 1,134 |
| 28663 | Piney Creek | 461 |
| 28668 | Roaring Gap | 165 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Alleghany County, North Carolina (US Census).