ZIP Code 40831

40831 is one of Kentucky's ZIP codes, delivering to addresses in Harlan, Harlan County.

City: Harlan
County: Harlan County
State: Kentucky
Prefix: 408xx

Where this code sits

40831 is part of the 408xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Harlan.

Harlan Kentucky ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40831 delivers to without sharing its boundary.

606 Area code 606

ZIP codes nearest 40831

The ZIP codes whose reference points sit closest to 40831.
ZIP code	Distance	Delivers to
ZIP code 40830	1.4 mi	Gulston, KY
ZIP code 40964	2.0 mi	Mary Alice, KY
ZIP code 40815	3.6 mi	Cawood, KY
ZIP code 40829	5.4 mi	Grays Knob, KY
ZIP code 40824	5.4 mi	Dayhoit, KY
ZIP code 40873	5.5 mi	Wallins Creek, KY
ZIP code 40854	6.1 mi	Loyall, KY
ZIP code 40863	6.3 mi	Pathfork, 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 40831, plotted from its record coordinates.

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

Scope ZIP code 40831. 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.