In which county is ZIP code 98592 located?

ZIP 98592 is listed under Mason, WA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 98592: Union, WA

ZIP: 98592

County: Mason

Coordinates: 47.33680, -123.07500

ZIP Type: Standard

Time Zone: Pacific Time (PT)

This profile provides an in-depth look at ZIP code 98592, serving Union in WA. It lies in Mason and supports delivery, planning, and address verification.

Primary City	Union
ZIP Code	98592
County	Mason
State	WA
Latitude / Longitude	47.33680, -123.07500
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 98592 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 98592 is commonly represented around 47.33680, -123.07500. These coordinates help identify the general area within Mason, WA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 98592 for mail delivery and general location reference in Mason, WA.

Some addresses near Union may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Union within WA.

Frequently Asked Questions

What is the primary city for ZIP code 98592?

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

In which county is 98592 located?

ZIP code 98592 is situated within Mason, WA.

What are the coordinates for 98592?

The approximate center point is 47.33680 (Latitude) and -123.07500 (Longitude).

Is ZIP code 98592 active?

This page lists ZIP 98592 as Listed based on the latest refresh date shown above.

Does ZIP 98592 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