| Zip Code | City | Population ↓ |
|---|---|---|
| 27526 | Fuquay Varina | 56,866 |
| 28326 | Cameron | 25,713 |
| 28390 | Spring Lake | 24,902 |
| 27501 | Angier | 22,339 |
| 27546 | Lillington | 20,534 |
| 27505 | Broadway | 7,541 |
| 27521 | Coats | 6,909 |
| 28339 | Erwin | 6,508 |
| 28323 | Bunnlevel | 4,695 |
| 27506 | Buies Creek | 990 |
| 28368 | Olivia | 116 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Harnett County, North Carolina (US Census).