List of T-Mobile Stores in Ellicott City, MD Outlet Note Regular Brands T-Mobile Maryland Ellicott City Rating 4.8 based on 88 votes Official Outlet www.t-mobile.com/shop.aspx Official Website http://www.t-mobile.com/ Products Accessories Laptop Phones Smartphones Tablet Network Wireless Broadband NameAddressPhone Name/Address/Phone T-Mobile outlet - Ellicott City 9251 Baltimore National Pike (410) 465-7789 T-Mobile outlet - Ellicott City 3200 North Ridge Rd (410) 418-5780 T-Mobile outlet - Ellicott City 3200 North Ridge Rd (410) 418-5780 People Also Viewed