Denny's 5505 Carlisle Pike 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM Open 24 Hours 5:00 AM - 12:00 AM5505 Carlisle Pike Mechanicsburg, PA 17050 US