Tennessee ZIP Codes

ZIP codes: 785
Cities & towns: 548
Counties: 95
Area codes: 8

How Tennessee ZIP codes are numbered

370xx–385xx

The first three digits identify the sectional center facility that processes mail for a region, so a Tennessee ZIP code can be placed geographically from its prefix alone. Each row names the city holding the most codes in that prefix.

Tennessee three-digit ZIP prefixes, the codes in each, and the city that holds the most of them.
Prefix	ZIP codes	Main area
370xx	77	Clarksville
371xx	57	Murfreesboro
372xx	39	Nashville
373xx	87	Cleveland
374xx	20	Chattanooga
375xx	2	Memphis
376xx	42	Johnson City
377xx	53	Greeneville
378xx	67	Maryville
379xx	31	Knoxville
380xx	60	Millington
381xx	62	Memphis
382xx	32	Martin
383xx	72	Jackson
384xx	35	Columbia
385xx	49	Cookeville

Where Tennessee's communities sit

Each point is a Tennessee community with a published ZIP code list, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Tennessee cities by ZIP code count

largest 25

Area codes serving Tennessee

Scope every ZIP code recorded in Tennessee. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. The map outline is a convex envelope of published places, not a state boundary.