List of H2O Wireless Stores in Cumberland, MD Outlet Note Regular Brands H2O Wireless Maryland Cumberland Rating 4.8 based on 100 votes Official Website https://www.h2owirelessnow.com Products Phone Plans Phones Wireless Services NameAddressPhone Name/Address/Phone H2O Wireless outlet - Cumberland 15627 Mcmullen Hwy Sw (240) 362-0193 H2O Wireless outlet - Cumberland 1619 Oldtown Road H2O Wireless outlet - Cumberland 35 Queen City Dr H2O Wireless outlet - Cumberland 911 East Old Town Rd (301) 777-0744 People Also Viewed