List of H2O Wireless Stores in Mason City, IA Outlet Note Regular Brands H2O Wireless Iowa Mason City 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 - Mason City 1510 N Federal Ave H2O Wireless outlet - Mason City 2504 4Th St Sw (641) 424-5772 H2O Wireless outlet - Mason City 3450 4Th St Sw (641) 423-8335 H2O Wireless outlet - Mason City 440 Indian Head Dr People Also Viewed