ZIP Code 42081

42081 is one of Kentucky's ZIP codes, delivering to addresses in Smithland, Livingston County.

City: Smithland
County: Livingston County
State: Kentucky
Prefix: 420xx

Where this code sits

42081 is part of the 420xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Smithland.

Smithland Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42081 delivers to without sharing its boundary.

ZIP codes nearest 42081

The ZIP codes whose reference points sit closest to 42081.
ZIP code	Distance	Delivers to
ZIP code 42028	2.1 mi	Burna, KY
ZIP code 42047	3.1 mi	Hampton, KY
ZIP code 42078	5.9 mi	Salem, KY
ZIP code 42083	8.1 mi	Tiline, KY
ZIP code 62938	10 mi	Golconda, IL
ZIP code 62910	11 mi	Brookport, IL
ZIP code 42037	12 mi	Dycusburg, KY
ZIP code 42045	13 mi	Grand Rivers, 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 42081, plotted from its record coordinates.

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

Scope ZIP code 42081. 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.