ZIP Code 42023

42023 is one of Kentucky's ZIP codes, delivering to addresses in Bardwell, Carlisle County.

City: Bardwell
County: Carlisle County
State: Kentucky
Prefix: 420xx

Where this code sits

42023 is part of the 420xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bardwell.

Bardwell Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42023 delivers to without sharing its boundary.

ZIP codes nearest 42023

The ZIP codes whose reference points sit closest to 42023.
ZIP code	Distance	Delivers to
ZIP code 42021	5.1 mi	Arlington, KY
ZIP code 42087	7.2 mi	Wickliffe, KY
ZIP code 42070	8.1 mi	Milburn, KY
ZIP code 42032	8.5 mi	Columbus, KY
ZIP code 42035	8.5 mi	Cunningham, KY
ZIP code 63882	12 mi	Wyatt, MO
ZIP code 42060	13 mi	Lovelaceville, KY
ZIP code 42024	13 mi	Barlow, 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 42023, plotted from its record coordinates.

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

Scope ZIP code 42023. 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.