St Mary's Credit Union Address: 133 S Bolton St, Marlborough, MA 01752 Phone: (508) 490-8000 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Banks, Mortgages, Loans, Credit Unions Other Businesses: Edward Jones - Financial Advisor: Michael P Lashua at 19 Maple St, Marlborough, MA 01752-2904 All Star Auto Sales at 329 Maple St, Marlborough, MA 01752