14 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 28054 | Gastonia | 39,493 |
| 28052 | Gastonia | 36,896 |
| 28056 | Gastonia | 35,963 |
| 28012 | Belmont | 26,519 |
| 28120 | Mount Holly | 24,363 |
| 28034 | Dallas | 19,470 |
| 28164 | Stanley | 15,991 |
| 28021 | Cherryville | 13,668 |
| 28016 | Bessemer City | 12,882 |
| 28098 | Lowell | 3,746 |
| 28032 | Cramerton | 3,222 |
| 28006 | Alexis | 1,311 |
| 28101 | McAdenville | 1,027 |
| 28077 | High Shoals | 297 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 14 ZCTAs in Gaston County, North Carolina (US Census).