What are the Mo Valley, Iowa Zip Codes for 2020, 2019Primary Zip Codes for Mo ValleyZip CodePrimary CitySecondary City51555Missouri ValleyMo Valley, Missouri Vly,Cities sharing Zip Codes with Mo ValleyZip CodePrimary CitySecondary CityMore Information51555Missouri ValleyMissouri Vly51555Missouri ValleyMo ValleyAdvertisements