5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37643 | Elizabethton | 33,773 |
| 37687 | Roan Mountain | 4,159 |
| 37658 | Hampton | 3,714 |
| 37694 | Watauga | 2,069 |
| 37682 | Milligan College | 520 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Carter County, Tennessee (US Census).