ZIP Code 40031

40031 is one of Kentucky's ZIP codes, delivering to addresses in La Grange, Oldham County.

City: La Grange
County: Oldham County
State: Kentucky
Prefix: 400xx

Where this code sits

40031 is part of the 400xx range, the group of codes handled by one mail processing centre. La Grange is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the La Grange page.

La Grange Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40031 delivers to without sharing its boundary.

502 Area code 502

ZIP codes nearest 40031

The ZIP codes whose reference points sit closest to 40031.
ZIP code	Distance	Delivers to
ZIP code 40032	3.7 mi	La Grange, KY
ZIP code 40010	3.7 mi	Buckner, KY
ZIP code 40014	6.1 mi	Crestwood, KY
ZIP code 40055	6.8 mi	Pendleton, KY
ZIP code 40068	6.9 mi	Smithfield, KY
ZIP code 40077	7.0 mi	Westport, KY
ZIP code 40056	8.4 mi	Pewee Valley, KY
ZIP code 47104	9.6 mi	Bethlehem, IN

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 40031, plotted from its record coordinates.

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

Scope ZIP code 40031. 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.