ZIP Code 42374

42374 is one of Kentucky's ZIP codes, delivering to addresses in South Carrollton, Muhlenberg County.

City: South Carrollton
County: Muhlenberg County
State: Kentucky
Prefix: 423xx

Where this code sits

42374 is part of the 423xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to South Carrollton.

South Carrollton Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42374 delivers to without sharing its boundary.

ZIP codes nearest 42374

The ZIP codes whose reference points sit closest to 42374.
ZIP code	Distance	Delivers to
ZIP code 42330	2.8 mi	Central City, KY
ZIP code 42325	5.0 mi	Bremen, KY
ZIP code 42332	6.5 mi	Cleaton, KY
ZIP code 42367	6.6 mi	Powderly, KY
ZIP code 42369	7.5 mi	Rockport, KY
ZIP code 42350	7.7 mi	Island, KY
ZIP code 42328	8.8 mi	Centertown, KY
ZIP code 42372	9.1 mi	Sacramento, 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 42374, plotted from its record coordinates.

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

Scope ZIP code 42374. 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.