There are 5 zip codes in Carter County, Tennessee. The most populated is 37643, located in Elizabethton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
3764333,773Elizabethton
376874,159Roan Mountain
376583,714Hampton
376942,069Watauga
37682520Milligan College
showing: 5 rows

Zip Codes in Carter County, Tennessee by Population (2024)