Popularity:#2 of 274 Post Offices in Los Angeles County#15 of 1,645 Post Offices in California#777 in Post Offices
View Address, Phone Number, and Hours for San Marino Post Office, a Post Office, at Huntington Drive, San Marino CA.
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The San Marino Post Office, located in San Marino, CA, is a branch location of the United States Postal Service (USPS) that serves the San Marino 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: