ZIP Code 99021

99021 is one of Washington's ZIP codes, delivering to addresses in Mead, Spokane County.

City: Mead
County: Spokane County
State: Washington
Prefix: 990xx

Where this code sits

99021 is part of the 990xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mead.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99021 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99021

The ZIP codes whose reference points sit closest to 99021.
ZIP code	Distance	Delivers to
ZIP code 99005	4.4 mi	Colbert, WA
ZIP code 99217	4.6 mi	Spokane, WA
ZIP code 99218	5.4 mi	Spokane, WA
ZIP code 99208	6.9 mi	Spokane, WA
ZIP code 99207	7.2 mi	Spokane, WA
ZIP code 99212	8.6 mi	Spokane, WA
ZIP code 99003	8.7 mi	Chattaroy, WA
ZIP code 99205	9.0 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 99021, plotted from its record coordinates.

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

Scope ZIP code 99021. 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.