ZIP Code 99203

99203 is one of Washington's ZIP codes, delivering to addresses in Spokane, Spokane County.

City: Spokane
County: Spokane County
State: Washington
Prefix: 992xx

Where this code sits

99203 is part of the 992xx range, the group of codes handled by one mail processing centre. Spokane is served by 28 ZIP codes in total; the full list, with the county each falls in, is on the Spokane page.

Spokane Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99203 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99203

The ZIP codes whose reference points sit closest to 99203.
ZIP code	Distance	Delivers to
ZIP code 99204	1.9 mi	Spokane, WA
ZIP code 99202	2.1 mi	Spokane, WA
ZIP code 99210	2.1 mi	Spokane, WA
ZIP code 99211	2.1 mi	Spokane, WA
ZIP code 99214	2.1 mi	Spokane, WA
ZIP code 99215	2.1 mi	Spokane, WA
ZIP code 99219	2.1 mi	Spokane, WA
ZIP code 99220	2.1 mi	Spokane, 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 99203, plotted from its record coordinates.

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

Scope ZIP code 99203. 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.