99 Cents Only Stores Headquartes, Corporate Office and Phone Number. Company Name: 99 Cents Only Stores. Address: 4000 Union Pacific Ave, City of Commerce, CA 90023. Customer Service Phone Number: 1-888-582-5999. Phone Number: 323-980-8145. Foundation year: 1969.
IN BUSINESS. Website. (209) 478-2133. 1449 W March Ln. Stockton, CA 95207. From Business: All your favorite brands from the big chains, but at a price that you've come to love. Save more with 99 Cents Only Stores in Stockton.