There are 6 zip codes in Cocke County, Tennessee. The most populated is 37821, located in Newport. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
3782121,751Newport
377227,417Cosby
378434,549Parrottsville
377271,994Del Rio
377131,378Bybee
37753985Hartford

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