ZIP Code 42154

42154 is one of Kentucky's ZIP codes, delivering to addresses in Knob Lick, Metcalfe County.

City: Knob Lick
County: Metcalfe County
State: Kentucky
Prefix: 421xx

Where this code sits

42154 is part of the 421xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Knob Lick.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42154 delivers to without sharing its boundary.

ZIP codes nearest 42154

The ZIP codes whose reference points sit closest to 42154.
ZIP code	Distance	Delivers to
ZIP code 42214	4.3 mi	Center, KY
ZIP code 42129	6.2 mi	Edmonton, KY
ZIP code 42152	7.2 mi	Hiseville, KY
ZIP code 42130	11 mi	Eighty Eight, KY
ZIP code 42166	12 mi	Summer Shade, KY
ZIP code 42746	12 mi	Hardyville, KY
ZIP code 42142	13 mi	Glasgow, KY
ZIP code 42742	13 mi	Gradyville, 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 42154, plotted from its record coordinates.

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

Scope ZIP code 42154. 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.