Denny's 1091-1107 Congress St 6:00 AM - 2:00 PM 6:00 AM - 3:00 PM 6:00 AM - 3:00 PM 6:00 AM - 3:00 PM 6:00 AM - 3:00 PM 6:00 AM - 3:00 PM 6:00 AM - 2:00 PM1091-1107 Congress St Portland, ME 04102 US