List of Farmer Boys Stores in Ontario, CA Outlet Note Regular Brands Farmer Boys California Ontario Rating 4.5 based on 54 votes Products Food Hamburgers Burgers NameAddressPhone Name/Address/Phone Farmer Boys outlet - Ontario 54 S Milliken Ave (909) 390-7160 Farmer Boys outlet - Ontario 1190 E Francis St (909) 923-6885 Farmer Boys outlet - Ontario 2180 S Haven Ave (909) 923-4700 Farmer Boys outlet - Ontario 1380 Etiwanda Ave (909) 390-1199 People Also Viewed