Hours Of Operations H2O Wireless Iowa Marshalltown 50158 H2O Wireless Hours of Operation and Location in Marshalltown, IA 50158 4.0 - 85 votes 327 S 3Rd Ave, Marshalltown, IA 50158 Get Directions H2O Wireless Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore MarshalltownView More Apparel KmartCatoCarharttJCPenneyFoot Locker Sports VansColemanSport's PageBruntonJunction Sports Jewelry CatoKay JewelersYounkers Recommend For You Bath & Body Works Verizon Wireless Dollar Store ADT J. C. Penney At Home Brunton Deb Goodwill I wireless