ZIP Code 83540

83540 is one of Idaho's ZIP codes, delivering to addresses in Lapwai, Nez Perce County.

City: Lapwai
County: Nez Perce County
State: Idaho
Prefix: 835xx

Where this code sits

83540 is part of the 835xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lapwai.

Lapwai Idaho ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83540 delivers to without sharing its boundary.

ZIP codes nearest 83540

The ZIP codes whose reference points sit closest to 83540.
ZIP code	Distance	Delivers to
ZIP code 83501	4.7 mi	Lewiston, ID
ZIP code 83524	6.9 mi	Culdesac, ID
ZIP code 83535	12 mi	Juliaetta, ID
ZIP code 83832	13 mi	Genesee, ID
ZIP code 99403	13 mi	Clarkston, WA
ZIP code 83548	13 mi	Reubens, ID
ZIP code 83555	15 mi	Winchester, ID
ZIP code 83541	16 mi	Lenore, ID

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 83540, plotted from its record coordinates.

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

Scope ZIP code 83540. 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.