5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37643 | Elizabethton | 34,120 |
| 37687 | Roan Mountain | 4,493 |
| 37658 | Hampton | 3,854 |
| 37694 | Watauga | 1,729 |
| 37682 | Milligan College | 591 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Carter County, Tennessee (US Census).