Hours Of Operations Clarks Iowa Marshalltown 50158 Clarks Hours of Operation and Location in Marshalltown, IA 50158 4.4 - 119 votes 203 Koeper Dr, Marshalltown, IA 50158 (641) 752-2333 Get Directions Clarks Hours Category: Accessories Electronics Shoes 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 VansColemanBruntonJunction SportsSport's Page Jewelry CatoKay JewelersYounkers Recommend For You Younkers Fareway Boost Mobile Brown's Shoe Fit Company General Store Radio Shack Vera Bradley Fastenal GNC Del Sol