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Mass Bay Credit Union

Mass Bay Credit Union

South Boston Main Office:

147 West 4th Street
South Boston, MA 02127

Contact the Credit Union

Open Today:
Lobby Hours: 8:45 am - 4:15 pm
Hours Phone Map
Mass Bay Credit Union Reviews
Review Mass Bay Credit Union - South Boston Main Office
Mass Bay Credit Union has been open since 1936. The credit union has assets totaling $246.37 Million and provides banking services to more than 19,000 members.
Membership: The credit union is a member-owned financial cooperative providing banking services including savings, loans, and other financial services to members. Membership is also open to immediate family of current members.
Contact Mass Bay Credit Union
Contact the South Boston Main Office location at 147 West 4th Street by calling (617) 269-2700 or contact the credit union by any of these means:
Phone: (617) 269-2700
Looking for a different branch office?
Choose from 4 Mass Bay CU locations.

Business Hours

Lobby Hours

8:45 am - 4:15 pm
8:45 am - 4:15 pm
8:45 am - 4:15 pm
8:45 am - 6:00 pm
8:45 am - 4:15 pm
8:15 am - 1:00 pm


147 West 4th Street, South Boston, MA


Mass Bay Credit Union - South Boston Main Office Reviews

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South Boston Main Office
147 West 4th Street South Boston, Massachusetts
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Frequently Asked Questions
Access banking services like savings and checking accounts with better rates and lower fees.
Where can I find the Mass Bay CU login for Online Banking?
Access to your accounts with online banking is available login here.
Is Mass Bay CU Mobile Banking available?
Yes, mobile banking for members provides access to your accounts. With help getting setup, start at the website.
Are Mass Bay CU Auto Loans available?
Car/Truck/SUV loans are offered at competitive rates and terms. Full details available online from the website. Contact the location and ask about pre-approval, payment address, or payoff address. Calculate Auto Loan amount with the easy online calculator.
Does Mass Bay CU offer Mortgage Loans?
Yes, home loans are available. Get rates, begin pre approval, and find payoff address online on the website. First-time homebuyer's program available. Calculate mortgage payments online.
Customer Support
Needing personal assistance? Contact Mass Bay CU at (617) 269-2700.
What is the routing number for Mass Bay CU?
Get the routing number, assets, loans, and other financial information.
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