ZIP Code 42048

42048 is one of Kentucky's ZIP codes, delivering to addresses in Hardin, Marshall County.

City: Hardin
County: Marshall County
State: Kentucky
Prefix: 420xx

Where this code sits

42048 is part of the 420xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hardin.

Hardin Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42048 delivers to without sharing its boundary.

ZIP codes nearest 42048

The ZIP codes whose reference points sit closest to 42048.
ZIP code	Distance	Delivers to
ZIP code 42036	4.4 mi	Dexter, KY
ZIP code 42020	6.0 mi	Almo, KY
ZIP code 42025	8.8 mi	Benton, KY
ZIP code 42054	11 mi	Kirksey, KY
ZIP code 42071	12 mi	Murray, KY
ZIP code 42044	13 mi	Gilbertsville, KY
ZIP code 42082	17 mi	Symsonia, KY
ZIP code 42049	17 mi	Hazel, 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 42048, plotted from its record coordinates.

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

Scope ZIP code 42048. 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.