ZIP Code 40068

40068 is one of Kentucky's ZIP codes, delivering to addresses in Smithfield, Henry County.

City: Smithfield
County: Henry County
State: Kentucky
Prefix: 400xx

Where this code sits

40068 is part of the 400xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Smithfield.

Smithfield Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40068 delivers to without sharing its boundary.

502 Area code 502

ZIP codes nearest 40068

The ZIP codes whose reference points sit closest to 40068.
ZIP code	Distance	Delivers to
ZIP code 40019	5.0 mi	Eminence, KY
ZIP code 40050	5.7 mi	New Castle, KY
ZIP code 40055	6.7 mi	Pendleton, KY
ZIP code 40070	6.9 mi	Sulphur, KY
ZIP code 40031	6.9 mi	La Grange, KY
ZIP code 40057	8.9 mi	Pleasureville, KY
ZIP code 40010	10 mi	Buckner, KY
ZIP code 40058	10 mi	Port Royal, 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 40068, plotted from its record coordinates.

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

Scope ZIP code 40068. 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.