Hours Of Operations 99 Cents Only Store California Ontario 91762 99 Cents Only Store Hours of Operation and Location in Ontario, CA 91762 4.5 - 45 votes 430 N Mountain Ave, Ontario, CA 91762 (909) 984-4925 Get Directions 99 Cents Only Store Hours Category: Grocery & Market Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map 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 A & P Food Store A Dollar Affordable Sales Aim Sports All Brite Cleaning All Sports Arc At Last Basic Basic Brothers Market