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  2. What is the zip code of Union, WA, 98592

Union (WA) Zip Code is 98592 Latest Details Aug, 2025

Updated: 26-08-2025

Union (WA) zip Code is 98592, Postal Code details. Union is located in state WA, United States.

Find Zip Code 98592 Details

ZIP code 98592 is located in Union WA in the United States.

Postal Code United States Zip Code 98592 Latest update Union, WA
Zip Code / Postal Code 98592

City

Union

State Code

WA

County

Mason, United States

Postal Locations

Union, WA - Zip Code is - 98592

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 98592 is an essential part of the postal system in Union, WA. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Union has a lot to offer.

FAQ about Zip Code 98592, Union, (WA)

What is Zip code Union?

Union Zip Code: 98592, used by the Union Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Mason, WA. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Union?

Union Postal Code is: 98592

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