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Post Offices in Upper Marlboro

Click on the Post Office from this list of 3 Post Offices in Upper Marlboro to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office Upper Marlboro (MD)
14605 Elm St
Upper Marlboro, MD 20772
The Post Office is open Monday to Sunday from 12:01 am to 11:59 pm.
2. USPS Post Office Largo - Upper Marlboro (MD)
9801 Apollo Dr
Upper Marlboro, MD 20774
The Post Office is open Monday to Friday from 6:00 am to 6:00 pm and on Saturday from 6:00 am to 3:00 pm. It is closed on Sunday.
3. USPS Post Office Kettering - Upper Marlboro (MD)
68 Watkins Park Dr
Upper Marlboro, MD 20774
The Post Office is open Monday to Friday from 12:00 pm to 5:00 pm and on Saturday from 9:00 am to 1:00 pm. It is closed on Sunday.