Fatburger & Buffalo's Express Rancho Cucamonga, CA Closed - Opens at 11:00 AM Closed - Opens at 11:00 AM Closed - Opens at 11:00 AM Closed - Opens at 11:00 AM Closed - Opens at 11:00 AM Closed - Opens at 11:00 AM Closed - Opens at 11:00 AM11226 4th St. Ste. 101 Ranch Cucamonga, CA 91730 USphone(909) 527-4004(909) 527-4004Get DirectionsVisit Store WebsiteOrder NowOrder Delivery