Popularity:#173 of 274 Post Offices in Los Angeles County#1,187 of 1,645 Post Offices in California#20,792 in Post Offices
Address, Phone Number, and Hours for Diamond Bar Post Office, a Post Office, at South Diamond Bar Boulevard, Diamond Bar CA.
View map of Diamond Bar Post Office, and get driving directions from your location .
Find 6 Post Offices within 6.4 miles of Diamond Bar Post Office.
Find 2 external resources related to Diamond Bar Post Office.
The Diamond Bar Post Office, located in Diamond Bar, CA, is a branch location of the United States Postal Service (USPS) that serves the Diamond Bar 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.You may contact the Post Office for questions about: