ZIP Code 42440

42440 is one of Kentucky's ZIP codes, delivering to addresses in Mortons Gap, Hopkins County.

City: Mortons Gap
County: Hopkins County
State: Kentucky
Prefix: 424xx

Where this code sits

42440 is part of the 424xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mortons Gap.

Mortons Gap Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42440 delivers to without sharing its boundary.

ZIP codes nearest 42440

The ZIP codes whose reference points sit closest to 42440.
ZIP code	Distance	Delivers to
ZIP code 42410	3.3 mi	Earlington, KY
ZIP code 42442	4.5 mi	Nortonville, KY
ZIP code 42431	5.6 mi	Madisonville, KY
ZIP code 42464	7.2 mi	White Plains, KY
ZIP code 42453	8.5 mi	Saint Charles, KY
ZIP code 42344	9.0 mi	Graham, KY
ZIP code 42436	12 mi	Manitou, KY
ZIP code 42408	13 mi	Dawson Springs, 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 42440, plotted from its record coordinates.

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

Scope ZIP code 42440. 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.