Fatburger & Buffalo's Express Fontana Closed - Opens at 10:00 AM Closed - Opens at 10:00 AM Closed - Opens at 10:00 AM Closed - Opens at 10:00 AM Closed - Opens at 10:00 AM Closed - Opens at 10:00 AM Closed - Opens at 10:00 AM10067 Sierra Ave. Fontana, CA 92335 USphone(909) 356-3699(909) 356-3699Get DirectionsVisit Store Website