Black Diamond Post Office Contact Information

Address, Phone Number, and Hours for an Post Office in Black Diamond, Washington.

Name Black Diamond Post Office
Address 25228 Baker Street, Black Diamond WA 98010 Map
Phone (360) 886-9429
Website
Hours

Map of Black Diamond Post Office

About Black Diamond Post Office

The Black Diamond Post Office, located in Black Diamond, WA, is a branch location of the United States Postal Service (USPS) that serves the Black Diamond community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.

Interested parties may contact Post Office for questions about:

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