Mountville Branch Hours of Operation Monday: 10AM - 7:00 PMTuesday: 10:00 AM - 7:00 PMWednesday: 10 AM - 7:00 PMThursday: 10:00 AM - 7:00 PMFriday: 10:00 AM - 5:00 PMSaturday: 10:00 AM - 01:00 PMSunday: Closed Branch Information Address: 120 College Avenue Mountville, PA 17554 Phone number (717) 285-3231 Email address askus@lancasterpubliclibrary.org