5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37643 | Elizabethton | 33,690 |
| 37687 | Roan Mountain | 4,379 |
| 37658 | Hampton | 3,637 |
| 37694 | Watauga | 1,738 |
| 37682 | Milligan College | 513 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Carter County, Tennessee (US Census).