List of Comcast Stores in Columbia, MD Outlet Note Regular Brands Comcast Maryland Columbia 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 - Columbia (301) 596-3409 Comcast outlet - Columbia 5950 Symphony Woods Rd, Ste 602 (443) 681-9479 Kumon Learning Centers outlet - Columbia 7060 Oakland Mills Rd, Ste O (410) 312-9705 People Also Viewed