Knox County, Tennessee ZIP Codes

Zip Code
City
Population
37918Knoxville45,971
37920Knoxville44,995
37922Knoxville40,394
37931Knoxville31,842
37919Knoxville31,754
37923Knoxville30,131
37849Powell29,375
37921Knoxville28,717
37934Farragut28,272
37932Knoxville25,424
37917Knoxville24,615
37912Knoxville21,505
37914Knoxville21,478
37938Knoxville17,437
37909Knoxville16,774
37916Knoxville15,583
37924Knoxville14,420
37721Corryton14,306
37871Strawberry Plains9,926
37915Knoxville5,991
37806Mascot3,674
37902Knoxville2,412
37929Knoxville0

Overview of ZIP Codes in Knox County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
23
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 23 ZCTAs in Knox County, Tennessee (US Census).