ZIP Code 37378

37378 is one of Tennessee's ZIP codes, delivering to addresses in Smartt, Warren County.

City: Smartt
County: Warren County
State: Tennessee
Prefix: 373xx

Where this code sits

37378 is part of the 373xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Smartt.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37378 delivers to without sharing its boundary.

931 Area code 931

ZIP codes nearest 37378

The ZIP codes whose reference points sit closest to 37378.
ZIP code	Distance	Delivers to
ZIP code 37110	4.8 mi	Mcminnville, TN
ZIP code 37111	4.8 mi	Mcminnville, TN
ZIP code 37357	5.3 mi	Morrison, TN
ZIP code 37394	7.2 mi	Viola, TN
ZIP code 37382	10 mi	Summitville, TN
ZIP code 38581	12 mi	Rock Island, TN
ZIP code 37305	15 mi	Beersheba Springs, TN
ZIP code 37026	15 mi	Bradyville, 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 37378, plotted from its record coordinates.

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

Scope ZIP code 37378. 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.