ZIP Code 42350

42350 is one of Kentucky's ZIP codes, delivering to addresses in Island, McLean County.

City: Island
County: McLean County
State: Kentucky
Prefix: 423xx

Where this code sits

42350 is part of the 423xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Island.

Island Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42350 delivers to without sharing its boundary.

ZIP codes nearest 42350

The ZIP codes whose reference points sit closest to 42350.
ZIP code	Distance	Delivers to
ZIP code 42352	4.7 mi	Livermore, KY
ZIP code 42372	6.1 mi	Sacramento, KY
ZIP code 42371	7.4 mi	Rumsey, KY
ZIP code 42374	7.7 mi	South Carrollton, KY
ZIP code 42325	8.0 mi	Bremen, KY
ZIP code 42328	9.2 mi	Centertown, KY
ZIP code 42330	11 mi	Central City, KY
ZIP code 42327	11 mi	Calhoun, 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 42350, plotted from its record coordinates.

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

Scope ZIP code 42350. 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.