Hours Of Operations Dollar Tree California Ontario Dollar Tree Hours of Operation and Locations in Ontario, CA 4.9 - 154 votes 2 Locations in Ontario Dollar Tree Hours Category: Grocery & Market Dollar Tree - Ontario, CA 91761 131 E Riverside Dr(909) 983-5055 View Store Details Dollar Tree - Ontario, CA 91764 4468 Ontario Mills Pkwy.(909) 483-5206 View Store Details Explore OntarioView More Apparel Sam's ClubMarshallsRoss Dress for LessDd's DISCOUNTSBurlington Coat Factory Sports TargetSports AuthorityNew BalanceNikeSport Chalet Jewelry Sam's ClubMarshallsBurlington Coat FactorySaks Fifth AvenueKohl's Outlet Recommend For You Gamestop Rent-A-Center Sam's Club Sears Payless ShoeSource Staples Kmart Kroger Big Lots Sunglass Hut