1. Ariyan.in
  2. What is the zip code of Diamond, WA, 99111

Diamond (WA) Zip Code is 99111 Latest Details Jul, 2025

Updated: 08-07-2025

Diamond (WA) zip Code is 99111, Postal Code details. Diamond is located in state WA, United States.

Find Zip Code 99111 Details

ZIP code 99111 is located in Diamond WA in the United States.

Postal Code United States Zip Code 99111 Latest update Diamond, WA
Zip Code / Postal Code 99111

City

Diamond

State Code

WA

County

Whitman, United States

Postal Locations

Diamond, WA - Zip Code is - 99111

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 99111 is an essential part of the postal system in Diamond, 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, Diamond has a lot to offer.

FAQ about Zip Code 99111, Diamond, (WA)

What is Zip code Diamond?

Diamond Zip Code: 99111, used by the Diamond Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Whitman, WA. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Diamond?

Diamond Postal Code is: 99111

Related Links