ZIP Code 42140

42140 is one of Kentucky's ZIP codes, delivering to addresses in Gamaliel, Monroe County.

City: Gamaliel
County: Monroe County
State: Kentucky
Prefix: 421xx

Where this code sits

42140 is part of the 421xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Gamaliel.

Gamaliel Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42140 delivers to without sharing its boundary.

ZIP codes nearest 42140

The ZIP codes whose reference points sit closest to 42140.
ZIP code	Distance	Delivers to
ZIP code 42167	7.9 mi	Tompkinsville, KY
ZIP code 42157	8.2 mi	Mount Hermon, KY
ZIP code 38575	8.5 mi	Moss, TN
ZIP code 42133	8.9 mi	Fountain Run, KY
ZIP code 37150	9.9 mi	Red Boiling Springs, TN
ZIP code 38588	12 mi	Whitleyville, TN
ZIP code 42131	12 mi	Etoile, KY
ZIP code 42153	13 mi	Holland, KY

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 42140, plotted from its record coordinates.

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

Scope ZIP code 42140. 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.