Hours for: Mason City Public Library District (MCIP-ZCH) Day Open Close MON CLOSED TUE 9:00 AM 3:00 PM WED 9:00 AM 3:00 PM THU 9:00 AM 3:00 PM FRI CLOSED SAT CLOSED SUN CLOSED Location Information 820 West Chestnut Street Mason City, IL 62664-9768 217-482-3799