List of Costco Stores in Naperville, IL Outlet Note Regular Brands Costco Illinois Naperville Rating 4.7 based on 76 votes Official Website http://www.costco.com/ Products Handbags Clothing Furniture Jewelry Appliances Electronics Office Products NameAddressPhone Name/Address/Phone Costco outlet - Naperville 1320 S Route 59 (630) 328-2900 People Also Viewed