ZIP Code 42553

42553 is one of Kentucky's ZIP codes, delivering to addresses in Science Hill, Pulaski County.

City: Science Hill
County: Pulaski County
State: Kentucky
Prefix: 425xx

Where this code sits

42553 is part of the 425xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Science Hill.

Science Hill Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42553 delivers to without sharing its boundary.

606 Area code 606

ZIP codes nearest 42553

The ZIP codes whose reference points sit closest to 42553.
ZIP code	Distance	Delivers to
ZIP code 42564	5.0 mi	West Somerset, KY
ZIP code 42502	5.8 mi	Somerset, KY
ZIP code 42503	6.9 mi	Somerset, KY
ZIP code 42567	7.0 mi	Eubank, KY
ZIP code 42501	7.3 mi	Somerset, KY
ZIP code 42516	7.5 mi	Bethelridge, KY
ZIP code 42533	7.6 mi	Ferguson, KY
ZIP code 42544	8.2 mi	Nancy, 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 42553, plotted from its record coordinates.

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

Scope ZIP code 42553. 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.