Colonial Cooperative Bank Address: 1 School Sq, Winchendon, MA 01475 Phone: (978) 297-2447 Banks, Mortgages, Savings & Loan Associations Other Businesses: Athol Savings Bank at 112 Central St, Winchendon, MA 01475 GFA Federal Credit Union at 185 Central St, Winchendon, MA 01475 Countryside Motel at 662 Spring St, Winchendon, MA 01475 Countryside Motel the at 660 Spring St, Winchendon, MA 01475