Hours Of Operations Dollar Tree Iowa Mason City Dollar Tree Hours of Operation and Locations in Mason City, IA 4.9 - 154 votes 1 Locations in Mason City Dollar Tree Hours Category: Grocery & Market Dollar Tree - Mason City, IA 50401 2560 4th Street SW(641) 424-6372 View Store Details Explore Mason CityView More Apparel CarharttJCPenneyKohl's OutletVisionworksVictoria's Secret Sports TargetVansFinish LineBasic Basic Jewelry Hobby LobbyKohl's OutletKay JewelersBon-TonYounkers Recommend For You Gamestop Rent-A-Center Sam's Club Sears Payless ShoeSource Staples Kmart Kroger Big Lots Sunglass Hut