List of US Post Office Stores in Waldorf, MD Outlet Note Regular Brands US Post Office Maryland Waldorf Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Waldorf 110 Paul Mellon Ct (301) 705-7003 US Post Office outlet - Waldorf 150 Post Office Rd (301) 705-7288 US Post Office outlet - Waldorf 11110 Mall Cir (301) 932-4349 People Also Viewed