Plaza Center Post Office Contact Information

Address, Phone Number, and Hours for an Post Office in Ontario, California.

Name Plaza Center Post Office
Address 1126 North Mountain Avenue, Ontario CA 91762 Map
Phone (909) 933-3837
Website
Hours

Map of Plaza Center Post Office

About Plaza Center Post Office

The Plaza Center Post Office, located in Ontario, CA, is a branch location of the United States Postal Service (USPS) that serves the Ontario 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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