Hours Of Operations Window City Iowa Mason City Window City Hours of Operation and Locations in Mason City, IA 4.6 - 107 votes 1 Locations in Mason City www.emeraldcityenergy.com Window City Hours Category: Home & Garden Window City - Mason City, IA 50401 604 N Federal Ave(641) 243-4232 View Store Details Explore Mason CityView More Apparel CarharttJCPenneyKohl's OutletVisionworksVictoria's Secret Sports TargetVansBasic BasicFinish Line Jewelry Hobby LobbyKohl's OutletKay JewelersYounkersBon-Ton Recommend For You Window Palace Incorporated Window Works Window World Windowrama Windows Plus Windows to the World Wing Sun Company Wings Manufacturing Corporation Wise Deli Grocery Wo Chong Company