ZIP Code 42273

42273 is one of Kentucky's ZIP codes, delivering to addresses in Rochester, Butler County.

City: Rochester
County: Butler County
State: Kentucky
Prefix: 422xx

Where this code sits

42273 is part of the 422xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Rochester.

Rochester Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42273 delivers to without sharing its boundary.

ZIP codes nearest 42273

The ZIP codes whose reference points sit closest to 42273.
ZIP code	Distance	Delivers to
ZIP code 42219	5.5 mi	Dunbar, KY
ZIP code 42324	7.5 mi	Belton, KY
ZIP code 42326	7.8 mi	Browder, KY
ZIP code 42261	9.5 mi	Morgantown, KY
ZIP code 42323	9.9 mi	Beechmont, KY
ZIP code 42201	10 mi	Aberdeen, KY
ZIP code 42337	10 mi	Drakesboro, KY
ZIP code 42333	11 mi	Cromwell, 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 42273, plotted from its record coordinates.

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

Scope ZIP code 42273. 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.