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Post Offices in Los Osos

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

1. USPS Post Office Los Osos (CA)

1189 Los Osos Valley Rd

Los Osos, CA 93402

The Post Office is open Monday to Friday from 9:00 am to 5:00 pm and on Saturday from 9:00 am to 2:00 pm. It is closed on Sunday.