5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 28645 | Lenoir | 45,997 |
| 28630 | Granite Falls | 19,382 |
| 28638 | Hudson | 12,363 |
| 28611 | Collettsville | 424 |
| 28667 | Rhodhiss | 301 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Caldwell County, North Carolina (US Census).