ZIP Code 98010

98010 is one of Washington's ZIP codes, delivering to addresses in Black Diamond, King County.

City: Black Diamond
County: King County
State: Washington
Prefix: 980xx

Where this code sits

98010 is part of the 980xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Black Diamond.

Black Diamond Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98010 delivers to without sharing its boundary.

ZIP codes nearest 98010

The ZIP codes whose reference points sit closest to 98010.
ZIP code	Distance	Delivers to
ZIP code 98022	3.3 mi	Enumclaw, WA
ZIP code 98092	4.6 mi	Auburn, WA
ZIP code 98093	5.1 mi	Federal Way, WA
ZIP code 98038	5.6 mi	Maple Valley, WA
ZIP code 98051	5.9 mi	Ravensdale, WA
ZIP code 98042	6.7 mi	Kent, WA
ZIP code 98025	7.8 mi	Hobart, WA
ZIP code 98002	9.4 mi	Auburn, 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 98010, plotted from its record coordinates.

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

Scope ZIP code 98010. 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.