ZIP Code 42170

42170 is one of Kentucky's ZIP codes, delivering to addresses in Woodburn, Warren County.

City: Woodburn
County: Warren County
State: Kentucky
Prefix: 421xx

Where this code sits

42170 is part of the 421xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Woodburn.

Woodburn Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42170 delivers to without sharing its boundary.

ZIP codes nearest 42170

The ZIP codes whose reference points sit closest to 42170.
ZIP code	Distance	Delivers to
ZIP code 42274	5.1 mi	Rockfield, KY
ZIP code 42104	8.5 mi	Bowling Green, KY
ZIP code 42206	8.9 mi	Auburn, KY
ZIP code 42134	9.0 mi	Franklin, KY
ZIP code 42135	9.3 mi	Franklin, KY
ZIP code 42102	11 mi	Bowling Green, KY
ZIP code 42122	11 mi	Alvaton, KY
ZIP code 42103	12 mi	Bowling Green, 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 42170, plotted from its record coordinates.

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

Scope ZIP code 42170. 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.