Hours Of Operations Clarks Iowa Missouri Valley 51555 Clarks Hours of Operation and Location in Missouri Valley, IA 51555 4.1 - 96 votes 420 E Erie St, Missouri Valley, IA 51555 (712) 642-4099 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 Missouri ValleyView More Apparel ExpressPendletonDeb Recommend For You Ace Hardware Pendleton H2O Wireless Dollar Store Deb Ferguson PC Clinic Food Market Motherhood Maternity Tilly's