ZIP Code 99018

99018 is one of Washington's ZIP codes, delivering to addresses in Latah, Spokane County.

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

Where this code sits

99018 is part of the 990xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Latah.

Latah Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99018 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99018

The ZIP codes whose reference points sit closest to 99018.
ZIP code	Distance	Delivers to
ZIP code 99039	5.1 mi	Waverly, WA
ZIP code 99033	5.7 mi	Tekoa, WA
ZIP code 99012	7.3 mi	Fairfield, WA
ZIP code 99030	11 mi	Rockford, WA
ZIP code 99158	13 mi	Oakesdale, WA
ZIP code 83851	13 mi	Plummer, ID
ZIP code 99170	14 mi	Rosalia, WA
ZIP code 83876	14 mi	Worley, ID

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 99018, plotted from its record coordinates.

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

Scope ZIP code 99018. 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.