ZIP Code 40437

40437 is one of Kentucky's ZIP codes, delivering to addresses in Hustonville, Lincoln County.

City: Hustonville
County: Lincoln County
State: Kentucky
Prefix: 404xx

Where this code sits

40437 is part of the 404xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hustonville.

Hustonville Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40437 delivers to without sharing its boundary.

606 Area code 606

ZIP codes nearest 40437

The ZIP codes whose reference points sit closest to 40437.
ZIP code	Distance	Delivers to
ZIP code 42541	7.0 mi	Middleburg, KY
ZIP code 40448	8.4 mi	Mc Kinney, KY
ZIP code 40440	8.9 mi	Junction City, KY
ZIP code 40464	9.2 mi	Parksville, KY
ZIP code 40442	9.3 mi	Kings Mountain, KY
ZIP code 40484	9.9 mi	Stanford, KY
ZIP code 42566	11 mi	Yosemite, KY
ZIP code 40452	11 mi	Mitchellsburg, 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 40437, plotted from its record coordinates.

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

Scope ZIP code 40437. 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.