ZIP Code 37722

37722 is one of Tennessee's ZIP codes, delivering to addresses in Cosby, Cocke County.

City: Cosby
County: Cocke County
State: Tennessee
Prefix: 377xx

Where this code sits

37722 is part of the 377xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cosby.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37722 delivers to without sharing its boundary.

ZIP codes nearest 37722

The ZIP codes whose reference points sit closest to 37722.
ZIP code	Distance	Delivers to
ZIP code 37753	6.7 mi	Hartford, TN
ZIP code 37821	8.3 mi	Newport, TN
ZIP code 37822	9.3 mi	Newport, TN
ZIP code 37727	12 mi	Del Rio, TN
ZIP code 37843	14 mi	Parrottsville, TN
ZIP code 37876	15 mi	Sevierville, TN
ZIP code 37713	15 mi	Bybee, TN
ZIP code 37725	16 mi	Dandridge, 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 37722, plotted from its record coordinates.

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

Scope ZIP code 37722. 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.