List of Comcast Stores in Frederick, MD Outlet Note Regular Brands Comcast Maryland Frederick Rating 4.9 based on 96 votes Official Outlet www.comcast.com/corporate/shop/productoverview.html Official Website http://www.comcast.com/ Products Phone High-Speed Internet Cable TV NameAddressPhone Name/Address/Phone Comcast outlet - Frederick 49 S Market St, #57 (301) 327-4565 Comcast outlet - Frederick 442 W Patrick St (301) 662-6822 Comcast outlet - Frederick 201 Thomas Johnson Dr, Ste 201 (240) 397-7192 Comcast outlet - Frederick 5283 Corporate Dr, #100 (240) 439-4198 People Also Viewed