Popularity:#24 of 79 Post Offices in San Bernardino County#209 of 1,645 Post Offices in California#4,281 in Post Offices
Address, Phone Number, and Hours for Rialto Post Office, a Post Office, at West Rialto Avenue, Rialto CA.
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The Rialto Post Office, located in Rialto, CA, is a branch location of the United States Postal Service (USPS) that serves the Rialto 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: