ZIP Code 40366

40366 is one of Kentucky's ZIP codes, delivering to addresses in Preston, Bath County.

City: Preston
County: Bath County
State: Kentucky
Prefix: 403xx

Where this code sits

40366 is part of the 403xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Preston.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40366 delivers to without sharing its boundary.

606 Area code 606

ZIP codes nearest 40366

The ZIP codes whose reference points sit closest to 40366.
ZIP code	Distance	Delivers to
ZIP code 40358	3.1 mi	Olympia, KY
ZIP code 40360	4.6 mi	Owingsville, KY
ZIP code 40334	4.9 mi	Hope, KY
ZIP code 40371	6.9 mi	Salt Lick, KY
ZIP code 40346	7.4 mi	Means, KY
ZIP code 40337	10 mi	Jeffersonville, KY
ZIP code 40353	10 mi	Mount Sterling, KY
ZIP code 40374	12 mi	Sharpsburg, 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 40366, plotted from its record coordinates.

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

Scope ZIP code 40366. 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.