5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 28645 | Lenoir | 46,237 |
| 28630 | Granite Falls | 20,400 |
| 28638 | Hudson | 11,629 |
| 28667 | Rhodhiss | 282 |
| 28611 | Collettsville | 270 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Caldwell County, North Carolina (US Census).