ZIP Code 37923

37923 is one of Tennessee's ZIP codes, delivering to addresses in Knoxville, Knox County.

City: Knoxville
County: Knox County
State: Tennessee
Prefix: 379xx

Where this code sits

37923 is part of the 379xx range, the group of codes handled by one mail processing centre. Knoxville is served by 31 ZIP codes in total; the full list, with the county each falls in, is on the Knoxville page.

Knoxville Tennessee ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37923 delivers to without sharing its boundary.

865 Area code 865

ZIP codes nearest 37923

The ZIP codes whose reference points sit closest to 37923.
ZIP code	Distance	Delivers to
ZIP code 37909	3.1 mi	Knoxville, TN
ZIP code 37932	4.0 mi	Knoxville, TN
ZIP code 37919	4.2 mi	Knoxville, TN
ZIP code 37931	4.8 mi	Knoxville, TN
ZIP code 37921	5.2 mi	Knoxville, TN
ZIP code 37922	5.7 mi	Knoxville, TN
ZIP code 37934	6.8 mi	Knoxville, TN
ZIP code 37930	7.2 mi	Knoxville, TN

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 37923, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 37923. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.