ZIP Code 99181

99181 is one of Washington's ZIP codes, delivering to addresses in Valley, Stevens County.

City: Valley
County: Stevens County
State: Washington
Prefix: 991xx

Where this code sits

99181 is part of the 991xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Valley.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99181 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99181

The ZIP codes whose reference points sit closest to 99181.
ZIP code	Distance	Delivers to
ZIP code 99148	7.1 mi	Loon Lake, WA
ZIP code 99173	9.7 mi	Springdale, WA
ZIP code 99109	11 mi	Chewelah, WA
ZIP code 99110	13 mi	Clayton, WA
ZIP code 99013	15 mi	Ford, WA
ZIP code 99101	17 mi	Addy, WA
ZIP code 99034	17 mi	Tumtum, WA
ZIP code 99137	18 mi	Hunters, WA

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 99181, plotted from its record coordinates.

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

Scope ZIP code 99181. 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.