ZIP Code 98188

98188 is one of Washington's ZIP codes, delivering to addresses in Seattle, King County.

City: Seattle
County: King County
State: Washington
Prefix: 981xx

Where this code sits

98188 is part of the 981xx range, the group of codes handled by one mail processing centre. Seattle is served by 59 ZIP codes in total; the full list, with the county each falls in, is on the Seattle page.

Seattle Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98188 delivers to without sharing its boundary.

ZIP codes nearest 98188

The ZIP codes whose reference points sit closest to 98188.
ZIP code	Distance	Delivers to
ZIP code 98158	1.6 mi	Seattle, WA
ZIP code 98148	2.4 mi	Seattle, WA
ZIP code 98057	2.9 mi	Renton, WA
ZIP code 98168	3.1 mi	Seattle, WA
ZIP code 98055	3.3 mi	Renton, WA
ZIP code 98178	3.5 mi	Seattle, WA
ZIP code 98166	3.7 mi	Seattle, WA
ZIP code 98198	4.3 mi	Seattle, 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 98188, plotted from its record coordinates.

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

Scope ZIP code 98188. 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.