In which county is ZIP code 98010 located?

ZIP 98010 is listed under King County, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 98010: Black Diamond, WA

ZIP: 98010

County: King County

Coordinates: 47.31140, -122.00530

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Get a reliable snapshot of the Black Diamond, WA postal area 98010. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Black Diamond
ZIP Code	98010
County	King County
State	WA
Latitude / Longitude	47.31140, -122.00530
ZIP Type	Standard
Time Zone	Pacific Time (PT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 98010 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 98010 are listed as 47.31140 / -122.00530, useful for GPS and service checks in and around Black Diamond, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98010 for mail delivery and general location reference in King County, WA.

This ZIP may extend beyond the city core into nearby communities within King County.

Related ZIP Codes (Nearby)

Explore other postal codes near Black Diamond within WA.

Frequently Asked Questions

What is the primary city for ZIP code 98010?

The primary city for this ZIP code is Black Diamond, located in WA.

In which county is 98010 located?

ZIP code 98010 is situated within King County, WA.

What are the coordinates for 98010?

The approximate center point is 47.31140 (Latitude) and -122.00530 (Longitude).

Is ZIP code 98010 active?

This page lists ZIP 98010 as Listed based on the latest refresh date shown above.

Does ZIP 98010 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08