ZIP Code 40166

40166 is one of Kentucky's ZIP codes, delivering to addresses in Shepherdsville, Bullitt County.

City: Shepherdsville
County: Bullitt County
State: Kentucky
Prefix: 401xx

Where this code sits

40166 is part of the 401xx range, the group of codes handled by one mail processing centre. Shepherdsville is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Shepherdsville page.

Shepherdsville Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40166 delivers to without sharing its boundary.

502 Area code 502

ZIP codes nearest 40166

The ZIP codes whose reference points sit closest to 40166.
ZIP code	Distance	Delivers to
ZIP code 40165	1.8 mi	Shepherdsville, KY
ZIP code 40110	5.0 mi	Clermont, KY
ZIP code 40109	5.5 mi	Brooks, KY
ZIP code 40129	6.4 mi	Hillview, KY
ZIP code 40229	7.7 mi	Louisville, KY
ZIP code 40118	8.6 mi	Fairdale, KY
ZIP code 40047	9.4 mi	Mount Washington, KY
ZIP code 40150	9.5 mi	Lebanon Junction, 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 40166, plotted from its record coordinates.

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

Scope ZIP code 40166. 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.