ZIP Code 98023

98023 is one of Washington's ZIP codes, delivering to addresses in Federal Way, King County.

City: Federal Way
County: King County
State: Washington
Prefix: 980xx

Where this code sits

98023 is part of the 980xx range, the group of codes handled by one mail processing centre. Federal Way is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Federal Way page.

Federal Way Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98023 delivers to without sharing its boundary.

253 Area code 253

ZIP codes nearest 98023

The ZIP codes whose reference points sit closest to 98023.
ZIP code	Distance	Delivers to
ZIP code 98422	2.0 mi	Tacoma, WA
ZIP code 98003	2.4 mi	Federal Way, WA
ZIP code 98063	2.4 mi	Federal Way, WA
ZIP code 98421	3.6 mi	Tacoma, WA
ZIP code 98001	4.5 mi	Auburn, WA
ZIP code 98354	4.8 mi	Milton, WA
ZIP code 98402	5.4 mi	Tacoma, WA
ZIP code 98424	5.4 mi	Tacoma, 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 98023, plotted from its record coordinates.

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

Scope ZIP code 98023. 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.