List of U.S. Cellular Stores in Marshalltown, IA Outlet Note Regular Brands U.S. Cellular Iowa Marshalltown Rating 4.7 based on 52 votes Official Outlet www.uscellular.com/cell-phones/index.html Official Website http://www.uscellular.com Products Accessories Phones Tablets Plans Offers Wireless Modems Mobile Hotspots Business Services Estimate Your Monthly Data Usage NameAddressPhone Name/Address/Phone US Cellular outlet - Marshalltown 2500 S Center St (641) 752-2911 US Cellular outlet - Marshalltown 2802 S Center St (641) 753-9489 US Cellular outlet - Marshalltown 901 S Center St (641) 751-7000 People Also Viewed