ZIP Code 42215

42215 is one of Kentucky's ZIP codes, delivering to addresses in Cerulean, Trigg County.

City: Cerulean
County: Trigg County
State: Kentucky
Prefix: 422xx

Where this code sits

42215 is part of the 422xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cerulean.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 42215 delivers to without sharing its boundary.

ZIP codes nearest 42215

The ZIP codes whose reference points sit closest to 42215.
ZIP code	Distance	Delivers to
ZIP code 42232	6.5 mi	Gracey, KY
ZIP code 42241	11 mi	Hopkinsville, KY
ZIP code 42217	11 mi	Crofton, KY
ZIP code 42240	12 mi	Hopkinsville, KY
ZIP code 42211	14 mi	Cadiz, KY
ZIP code 42453	16 mi	Saint Charles, KY
ZIP code 42445	16 mi	Princeton, KY
ZIP code 42236	17 mi	Herndon, 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 42215, plotted from its record coordinates.

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

Scope ZIP code 42215. 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.