ZIP Code 42345

42345 is one of Kentucky's ZIP codes, delivering to addresses in Greenville, Muhlenberg County.

City: Greenville
County: Muhlenberg County
State: Kentucky
Prefix: 423xx

Where this code sits

42345 is part of the 423xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Greenville.

Greenville Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42345 delivers to without sharing its boundary.

ZIP codes nearest 42345

The ZIP codes whose reference points sit closest to 42345.
ZIP code	Distance	Delivers to
ZIP code 42367	2.8 mi	Powderly, KY
ZIP code 42332	5.9 mi	Cleaton, KY
ZIP code 42344	7.0 mi	Graham, KY
ZIP code 42330	7.2 mi	Central City, KY
ZIP code 42321	7.3 mi	Beech Creek, KY
ZIP code 42337	7.3 mi	Drakesboro, KY
ZIP code 42323	8.4 mi	Beechmont, KY
ZIP code 42374	9.2 mi	South Carrollton, 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 42345, plotted from its record coordinates.

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

Scope ZIP code 42345. 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.