ZIP Code 42404

42404 is one of Kentucky's ZIP codes, delivering to addresses in Clay, Webster County.

City: Clay
County: Webster County
State: Kentucky
Prefix: 424xx

Where this code sits

42404 is part of the 424xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Clay.

Clay Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42404 delivers to without sharing its boundary.

ZIP codes nearest 42404

The ZIP codes whose reference points sit closest to 42404.
ZIP code	Distance	Delivers to
ZIP code 42463	1.8 mi	Wheatcroft, KY
ZIP code 42460	5.4 mi	Sullivan, KY
ZIP code 42450	6.8 mi	Providence, KY
ZIP code 42409	7.8 mi	Dixon, KY
ZIP code 42459	10 mi	Sturgis, KY
ZIP code 42441	11 mi	Nebo, KY
ZIP code 42444	16 mi	Poole, KY
ZIP code 42436	16 mi	Manitou, 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 42404, plotted from its record coordinates.

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

Scope ZIP code 42404. 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.