Lancaster Public Library – Mountville Branch Lancaster Public Library – Mountville Branch serves the citizens of Mountville Borough, West Hempfield Township, East Hempfield Township, and Manor Township. Hours of Operation Monday: 11:00 AM - 6:00 PMTuesday: 10:00 AM - 6:00 PMWednesday: 11:00 AM - 6:00 PMThursday: 10:00 AM - 6:00 PMFriday: 10:00 AM - 5:00 PMSaturday: 10:00 AM - 1:00 PMSunday: Closed Library Information Address: 120 College Avenue Mountville, PA 17554 Phone number 717.285.3231 Visit Website