ZIP Code 37874

37874 is one of Tennessee's ZIP codes, delivering to addresses in Sweetwater, Monroe County.

City: Sweetwater
County: Monroe County
State: Tennessee
Prefix: 378xx

Where this code sits

37874 is part of the 378xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sweetwater.

Sweetwater Tennessee ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 37874 delivers to without sharing its boundary.

ZIP codes nearest 37874

The ZIP codes whose reference points sit closest to 37874.
ZIP code	Distance	Delivers to
ZIP code 37846	5.6 mi	Philadelphia, TN
ZIP code 37826	6.4 mi	Niota, TN
ZIP code 37354	10 mi	Madisonville, TN
ZIP code 37774	11 mi	Loudon, TN
ZIP code 37329	12 mi	Englewood, TN
ZIP code 37880	12 mi	Ten Mile, TN
ZIP code 37303	13 mi	Athens, TN
ZIP code 37371	13 mi	Athens, 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 37874, plotted from its record coordinates.

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

Scope ZIP code 37874. 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.