ZIP Code 99011

99011 is one of Washington's ZIP codes, delivering to addresses in Fairchild Air Force Base, Spokane County.

City: Fairchild Air Force Base
County: Spokane County
State: Washington
Prefix: 990xx

Where this code sits

99011 is part of the 990xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fairchild Air Force Base.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99011 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99011

The ZIP codes whose reference points sit closest to 99011.
ZIP code	Distance	Delivers to
ZIP code 99022	2.6 mi	Medical Lake, WA
ZIP code 99001	3.0 mi	Airway Heights, WA
ZIP code 99224	4.8 mi	Spokane, WA
ZIP code 99014	5.8 mi	Four Lakes, WA
ZIP code 99020	8.6 mi	Marshall, WA
ZIP code 99004	10 mi	Cheney, WA
ZIP code 99201	10 mi	Spokane, WA
ZIP code 99210	11 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 99011, plotted from its record coordinates.

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

Scope ZIP code 99011. 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.