Denny's 17 W 660 22nd Street 6:00 AM - 11:00 PM 6:00 AM - 11:00 PM 6:00 AM - 11:00 PM 6:00 AM - 3:00 AM 6:00 AM - 3:00 AM 6:00 AM - 3:00 AM 6:00 AM - 11:00 PM17 W 660 22nd Street Oakbrook Terrace, IL 60181 US