Knox County Tennessee ZIP Codes - Map and Full List

Knox County Tennessee is covered by a total of 40 ZIP Codes. There are 12 ZIP Codes in Knox County that extend into adjacent counties (Anderson County, Blount County, Grainger County, Jefferson County, Loudon County, Sevier County, and Union County). Of the ZIP codes within or partially within Knox County there are 28 Standard ZIP Codes, 4 Unique ZIP Codes and 8 PO Box ZIP Codes.

Map List Related

Knox County Tennessee ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Knox County and can be turned on and off. Each type of postal code can also be turned on and off.

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