ZIP Code 99401

99401 is one of Washington's ZIP codes, delivering to addresses in Anatone, Asotin County.

City: Anatone
County: Asotin County
State: Washington
Prefix: 994xx

Where this code sits

99401 is part of the 994xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Anatone.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99401 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99401

The ZIP codes whose reference points sit closest to 99401.
ZIP code	Distance	Delivers to
ZIP code 99402	4.2 mi	Asotin, WA
ZIP code 99403	18 mi	Clarkston, WA
ZIP code 83501	20 mi	Lewiston, ID
ZIP code 83555	24 mi	Winchester, ID
ZIP code 83540	24 mi	Lapwai, ID
ZIP code 83524	27 mi	Culdesac, ID
ZIP code 99179	28 mi	Uniontown, WA
ZIP code 83548	30 mi	Reubens, 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 99401, plotted from its record coordinates.

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

Scope ZIP code 99401. 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.