ZIP Code 40997

40997 is one of Kentucky's ZIP codes, delivering to addresses in Walker, Knox County.

City: Walker
County: Knox County
State: Kentucky
Prefix: 409xx

Where this code sits

40997 is part of the 409xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Walker.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40997 delivers to without sharing its boundary.

606 Area code 606

ZIP codes nearest 40997

The ZIP codes whose reference points sit closest to 40997.
ZIP code	Distance	Delivers to
ZIP code 40982	3.3 mi	Scalf, KY
ZIP code 40930	4.3 mi	Dewitt, KY
ZIP code 40902	4.5 mi	Arjay, KY
ZIP code 40913	6.9 mi	Beverly, KY
ZIP code 40958	6.9 mi	Kettle Island, KY
ZIP code 40935	7.4 mi	Flat Lick, KY
ZIP code 40939	8.1 mi	Fourmile, KY
ZIP code 40988	8.1 mi	Stoney Fork, 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 40997, plotted from its record coordinates.

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

Scope ZIP code 40997. 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.