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Post Offices in Rio Oso

Click on the Post Office from this list of 1 Post Offices in Rio Oso to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office Rio Oso (CA)

2156 Rio Oso Rd

Rio Oso, CA 95674

The Post Office is open Monday to Friday from 1:00 pm to 5:00 pm and on Saturday from 7:30 am to 10:30 am. It is closed on Sunday.