ZIP Code 40830

40830 is one of Kentucky's ZIP codes, delivering to addresses in Gulston, Harlan County.

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

Where this code sits

40830 is part of the 408xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Gulston.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40830 delivers to without sharing its boundary.

606 Area code 606

ZIP codes nearest 40830

The ZIP codes whose reference points sit closest to 40830.
ZIP code	Distance	Delivers to
ZIP code 40964	1.3 mi	Mary Alice, KY
ZIP code 40831	1.4 mi	Harlan, KY
ZIP code 40815	2.2 mi	Cawood, KY
ZIP code 40829	4.1 mi	Grays Knob, KY
ZIP code 40824	5.5 mi	Dayhoit, KY
ZIP code 40818	5.9 mi	Coalgood, KY
ZIP code 40854	5.9 mi	Loyall, KY
ZIP code 24218	5.9 mi	Ben Hur, VA

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 40830, plotted from its record coordinates.

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

Scope ZIP code 40830. 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.