ZIP Code 40763

40763 is one of Kentucky's ZIP codes, delivering to addresses in Siler, Whitley County.

City: Siler
County: Whitley County
State: Kentucky
Prefix: 407xx

Where this code sits

40763 is part of the 407xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Siler.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 40763 delivers to without sharing its boundary.

606 Area code 606

ZIP codes nearest 40763

The ZIP codes whose reference points sit closest to 40763.
ZIP code	Distance	Delivers to
ZIP code 40921	5.6 mi	Bryants Store, KY
ZIP code 40940	6.6 mi	Frakes, KY
ZIP code 37851	8.6 mi	Pruden, TN
ZIP code 40995	8.7 mi	Trosper, KY
ZIP code 37715	9.5 mi	Clairfield, TN
ZIP code 40730	10 mi	Emlyn, KY
ZIP code 40977	11 mi	Pineville, KY
ZIP code 37730	11 mi	Eagan, TN

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 40763, plotted from its record coordinates.

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

Scope ZIP code 40763. 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.