ZIP Code 42740

42740 is one of Kentucky's ZIP codes, delivering to addresses in Glendale, Hardin County.

City: Glendale
County: Hardin County
State: Kentucky
Prefix: 427xx

Where this code sits

42740 is part of the 427xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Glendale.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42740 delivers to without sharing its boundary.

ZIP codes nearest 42740

The ZIP codes whose reference points sit closest to 42740.
ZIP code	Distance	Delivers to
ZIP code 42701	5.7 mi	Elizabethtown, KY
ZIP code 42776	5.9 mi	Sonora, KY
ZIP code 42702	6.5 mi	Elizabethtown, KY
ZIP code 42788	9.1 mi	White Mills, KY
ZIP code 42748	9.5 mi	Hodgenville, KY
ZIP code 40159	9.5 mi	Radcliff, KY
ZIP code 42724	10 mi	Cecilia, KY
ZIP code 42784	10 mi	Upton, 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 42740, plotted from its record coordinates.

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

Scope ZIP code 42740. 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.