ZIP Code 37318

37318 is one of Tennessee's ZIP codes, delivering to addresses in Cowan, Franklin County.

City: Cowan
County: Franklin County
State: Tennessee
Prefix: 373xx

Where this code sits

37318 is part of the 373xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cowan.

Cowan Tennessee ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37318 delivers to without sharing its boundary.

931 Area code 931

ZIP codes nearest 37318

The ZIP codes whose reference points sit closest to 37318.
ZIP code	Distance	Delivers to
ZIP code 37324	4.4 mi	Decherd, TN
ZIP code 37398	5.5 mi	Winchester, TN
ZIP code 37375	6.1 mi	Sewanee, TN
ZIP code 37383	6.4 mi	Sewanee, TN
ZIP code 37306	9.2 mi	Belvidere, TN
ZIP code 37330	9.4 mi	Estill Springs, TN
ZIP code 37376	10 mi	Sherwood, TN
ZIP code 37356	12 mi	Monteagle, 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 37318, plotted from its record coordinates.

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

Scope ZIP code 37318. 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.