ZIP Code 42274

42274 is one of Kentucky's ZIP codes, delivering to addresses in Rockfield, Warren County.

City: Rockfield
County: Warren County
State: Kentucky
Prefix: 422xx

Where this code sits

42274 is part of the 422xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Rockfield.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42274 delivers to without sharing its boundary.

ZIP codes nearest 42274

The ZIP codes whose reference points sit closest to 42274.
ZIP code	Distance	Delivers to
ZIP code 42170	5.1 mi	Woodburn, KY
ZIP code 42206	7.3 mi	Auburn, KY
ZIP code 42104	8.3 mi	Bowling Green, KY
ZIP code 42101	10 mi	Bowling Green, KY
ZIP code 42102	12 mi	Bowling Green, KY
ZIP code 42103	12 mi	Bowling Green, KY
ZIP code 42128	12 mi	Drake, KY
ZIP code 42122	14 mi	Alvaton, 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 42274, plotted from its record coordinates.

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

Scope ZIP code 42274. 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.