Location Details | St. Mary's Credit Union | Northborough, MA Branch | 100 West Main Street }

We'd love to see you in person! Please feel free to drop into any branch location near you. And if you're looking to find an ATM close by, check out our handy ATM locator.

Our general mailing address is:
St. Mary's Credit Union
PO Box 729
Marlborough, MA 01752

Our Payment Processing Center (for deposit and loan payments) address is:
SMCU Payment Processing Center
PO Box 4144
Woburn, MA 01888-4144

  • Our branches are here for our members during regular business hours for both appointments and walk-in service. Doorbells have been installed at each branch so that our members can easily get our attention to be let in. We encourage continued use of our drive-up windows for basic transactions and appointments for lobby service to minimize wait times for assistance. 
  • Our Member Solutions Center is open regular hours. You can reach us at 508-490-8000; they are open Monday–Friday from 8am to 7pm and on Saturdays, 8am to 1pm. Our team will answer any questions you may have related to your accounts.
  • If you have a scheduled appointment at a branch location or need to schedule one, please contact our Member Solutions Center at 508-490-8000 to make those arrangements.


  • Northborough
    100 West Main StreetMap ATM
    100 West Main Street
    Northborough, MA 01532
    Get Directions
    Toll Free(866) 585-7628
    Phone(508) 490-8000
    Monday - Wednesday8:30 am - 4:00 pm
    Thursday8:30 am - 7:00 pm
    Friday8:30 am - 6:00 pm
    Saturday8:30 am - 12:30 pm
    Monday - Wednesday8:00 am - 4:00 pm
    Thursday8:00 am - 7:00 pm
    Friday8:00 am - 6:00 pm
    Saturday8:00 am - 12:30 pm