ZIP Code 42051

42051 is one of Kentucky's ZIP codes, delivering to addresses in Hickory, Graves County.

City: Hickory
County: Graves County
State: Kentucky
Prefix: 420xx

Where this code sits

42051 is part of the 420xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hickory.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42051 delivers to without sharing its boundary.

ZIP codes nearest 42051

The ZIP codes whose reference points sit closest to 42051.
ZIP code	Distance	Delivers to
ZIP code 42061	5.8 mi	Lowes, KY
ZIP code 42069	6.4 mi	Melber, KY
ZIP code 42027	6.5 mi	Boaz, KY
ZIP code 42039	8.0 mi	Fancy Farm, KY
ZIP code 42066	8.1 mi	Mayfield, KY
ZIP code 42082	9.8 mi	Symsonia, KY
ZIP code 42035	11 mi	Cunningham, KY
ZIP code 42060	12 mi	Lovelaceville, 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 42051, plotted from its record coordinates.

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

Scope ZIP code 42051. 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.