ZIP Code 42377

42377 is one of Kentucky's ZIP codes, delivering to addresses in West Louisville, Daviess County.

City: West Louisville
County: Daviess County
State: Kentucky
Prefix: 423xx

Where this code sits

42377 is part of the 423xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to West Louisville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42377 delivers to without sharing its boundary.

ZIP codes nearest 42377

The ZIP codes whose reference points sit closest to 42377.
ZIP code	Distance	Delivers to
ZIP code 42356	2.0 mi	Maple Mount, KY
ZIP code 42334	3.6 mi	Curdsville, KY
ZIP code 42301	8.1 mi	Owensboro, KY
ZIP code 42322	8.2 mi	Beech Grove, KY
ZIP code 42327	8.4 mi	Calhoun, KY
ZIP code 42302	10 mi	Owensboro, KY
ZIP code 42304	10 mi	Owensboro, KY
ZIP code 42303	12 mi	Owensboro, 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 42377, plotted from its record coordinates.

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

Scope ZIP code 42377. 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.