Hours Of Operations Dollar Tree Missouri Union Dollar Tree Hours of Operation and Locations in Union, MO 4.9 - 154 votes 1 Locations in Union Dollar Tree Hours Category: Grocery & Market Dollar Tree - Union, MO 63084 7 Silo Drive(636) 584-7458 View Store Details Explore UnionView More Apparel CarharttCarter'sRainbowDebExpress Sports Snap FitnessBlades Recommend For You Gamestop Rent-A-Center Sam's Club Sears Payless ShoeSource Staples Kmart Kroger Big Lots Sunglass Hut