ZIP Code 42566

42566 is one of Kentucky's ZIP codes, delivering to addresses in Yosemite, Casey County.

City: Yosemite
County: Casey County
State: Kentucky
Prefix: 425xx

Where this code sits

42566 is part of the 425xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Yosemite.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42566 delivers to without sharing its boundary.

606 Area code 606

ZIP codes nearest 42566

The ZIP codes whose reference points sit closest to 42566.
ZIP code	Distance	Delivers to
ZIP code 42541	3.7 mi	Middleburg, KY
ZIP code 42516	5.9 mi	Bethelridge, KY
ZIP code 40442	7.4 mi	Kings Mountain, KY
ZIP code 40489	8.6 mi	Waynesburg, KY
ZIP code 42539	8.8 mi	Liberty, KY
ZIP code 40437	11 mi	Hustonville, KY
ZIP code 42565	11 mi	Windsor, KY
ZIP code 40448	11 mi	Mc Kinney, 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 42566, plotted from its record coordinates.

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

Scope ZIP code 42566. 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.