ZIP Code 42103

42103 is one of Kentucky's ZIP codes, delivering to addresses in Bowling Green, Warren County.

City: Bowling Green
County: Warren County
State: Kentucky
Prefix: 421xx

Where this code sits

42103 is part of the 421xx range, the group of codes handled by one mail processing centre. Bowling Green is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Bowling Green page.

Bowling Green Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42103 delivers to without sharing its boundary.

ZIP codes nearest 42103

The ZIP codes whose reference points sit closest to 42103.
ZIP code	Distance	Delivers to
ZIP code 42128	1.2 mi	Drake, KY
ZIP code 42102	3.1 mi	Bowling Green, KY
ZIP code 42104	3.6 mi	Bowling Green, KY
ZIP code 42101	4.8 mi	Bowling Green, KY
ZIP code 42122	7.3 mi	Alvaton, KY
ZIP code 42159	8.2 mi	Oakland, KY
ZIP code 42274	12 mi	Rockfield, KY
ZIP code 42170	12 mi	Woodburn, 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 42103, plotted from its record coordinates.

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

Scope ZIP code 42103. 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.