ZIP Code 42437

42437 is one of Kentucky's ZIP codes, delivering to addresses in Morganfield, Union County.

City: Morganfield
County: Union County
State: Kentucky
Prefix: 424xx

Where this code sits

42437 is part of the 424xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Morganfield.

Morganfield Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42437 delivers to without sharing its boundary.

ZIP codes nearest 42437

The ZIP codes whose reference points sit closest to 42437.
ZIP code	Distance	Delivers to
ZIP code 42461	5.7 mi	Uniontown, KY
ZIP code 42462	8.4 mi	Waverly, KY
ZIP code 42459	10 mi	Sturgis, KY
ZIP code 62984	13 mi	Shawneetown, IL
ZIP code 42457	13 mi	Smith Mills, KY
ZIP code 42460	13 mi	Sullivan, KY
ZIP code 42406	14 mi	Corydon, KY
ZIP code 42463	14 mi	Wheatcroft, 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 42437, plotted from its record coordinates.

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

Scope ZIP code 42437. 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.