ZIP Code 99026

99026 is one of Washington's ZIP codes, delivering to addresses in Nine Mile Falls, Spokane County.

City: Nine Mile Falls
County: Spokane County
State: Washington
Prefix: 990xx

Where this code sits

99026 is part of the 990xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Nine Mile Falls.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99026 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99026

The ZIP codes whose reference points sit closest to 99026.
ZIP code	Distance	Delivers to
ZIP code 99208	8.4 mi	Spokane, WA
ZIP code 99218	8.7 mi	Spokane, WA
ZIP code 99034	9.9 mi	Tumtum, WA
ZIP code 99205	10 mi	Spokane, WA
ZIP code 99005	10 mi	Colbert, WA
ZIP code 99001	11 mi	Airway Heights, WA
ZIP code 99201	12 mi	Spokane, WA
ZIP code 99006	12 mi	Deer Park, 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 99026, plotted from its record coordinates.

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

Scope ZIP code 99026. 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.