Our Main Office ATM Lobby at 147 West 4th Street in South Boston will be open during regular business hours only: M-F 8:30-4:00, Sat 8:30-1:15. We are sorry for any inconvenience. Remember, our mobile app and online banking are available 24/7. For questions, please call 617-269-2700.
xSafety Alert: Mass Bay will never call you directly and ask for your pin number. Scammers can spoof a caller ID and make it look like they are your financial institution.
What You Should Do