Hours Of Operations SIMPLE Mobile Iowa Knoxville 50138 SIMPLE Mobile Hours of Operation and Location in Knoxville, IA 50138 4.9 - 194 votes 204 E ROBINSON STREET, Knoxville, IA 50138 (641) 842-5090 Get Directions SIMPLE Mobile Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore KnoxvilleView More Apparel H & MCarharttCarter'sExpress Sports VansBianchi Recommend For You Verizon Wireless Dollar Store Bianchi Goodwill Carter's El Toro Market Coast to Coast 3M Company Founders Market Street