Charter Oak Federal Credit Union Address: 1 Connecticut Ave, Norwich, CT 06360 Phone: (860) 887-9256 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Banks, Credit Unions Other Businesses: Bank of America at 71 Town St, Norwich, CT 06360 Chelsea Groton Bank at 50 Town St, Norwich, CT 06360 People's United Bank at 45 Town St, Norwich, CT 06360 People's United Bank at 42 Town St, Norwich, CT 06360 Dime Bank at 115 W Town St, Norwich, CT 06360