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On Thursday, November 12, 2026, there was a Global Microsoft 365 outage. Rest assured, our core operating system, ATMs, mobile app, and telephone banking do not rely on Microsoft, and this outage did not impact our operations. We understand that most of the software impacted by the outage has been restored today, Friday, November 13, 2026. However, if your email is sluggish and you would like to reach us, please call us directly at 617-269-2700.
xREAL BANKING for REAL PEOPLE
Mass Bay Credit Union A Greater Boston Credit Union Since 1936.
Mass Bay Credit Union is a full service financial institution that works to serve you. You get a say in our leadership, and we reinvest our profits back into better services and our community.
MassBay Benefits
People Helping People
We have been a Greater Boston Credit Union since 1936. We know that getting ahead can be challenging enough these days—managing your finances shouldn’t add to your stress load. Choosing Mass Bay Credit Union means choosing to be part of a community that cares about each other and about you.
We want to pave the way for you to achieve your financial goals.
News & Events
South Boston Street Festival 2026
South Boston Street Fest is coming up this month! We’re excited to join the South Boston community on Saturday, September 19th, for an afternoon of local food, shopping, music, and more. . Mass Bay Credit Union will sponsor balloon artist again this year, and we’d love to see you stop by!
Shred Event 2026
Save the date! Mass Bay Credit Union’s free Shred Day is coming up on Saturday, October 3rd at our South Boston Branch. Join us anytime from 9:00 AM to 12:00 PM with up to five boxes of documents, and we’ll take care of the shredding for you.
Mass Bay Credit Union Charitable Foundation Golf Tournament 2026
Please join us for the 10th Mass Bay Credit Union Charitable Foundation Golf Tournament at the Cape Club of Sharon in Sharon, on Tuesday, August 4, 2026.
June Member Appreciation Contest
Enter Our Social Media Contest and Win a Mass Bay CU Swag Bag!
2026 Scholarship Program
Mass Bay Credit Union Charitable Foundation is offering four $1,000 scholarships to high school seniors enrolling in an undergraduate college program!
Winter Coat Drive
Our Winter Coat Drive is happening now through January 31st! Drop off new or gently used coats at any of our branches during business hours to support local nonprofits across Greater Boston that help people in need.