St. Mary's Credit Union serves Massachusetts' Middlesex, Worcester, Norfolk and Suffolk Counties with branches conveniently located in Marlborough, Hudson, Northborough and Westborough. Find the one nearest you and make it your one-stop source for all your financial needs.
For a complete listing of holiday closings, please check out our Holiday Schedule.
Our general mailing address is: St. Mary's Credit Union, PO Box 729, Marlborough, MA 01752
Our loan payment mailing address is: SMCU Payment Processing Center, PO Box 4144, Woburn, MA 01888-4144