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Customer Care Center 855-444-6861
Insurance 800-447-2732
Investments 413-664-4025
Routing Number 211871015
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MountainOne Bank is Member FDIC and Member DIF
Equal Housing Lender

Insurance and Investments are not insured by the FDIC and are not deposits or obligations of, or guaranteed by, any depository institution. Funds are subject to investment risks, including possible loss of principal investment.

MountainOne Bank 5 Star Rating Jan 2023 by Bauer Financial

SCHEDULED MAINTENANCE: Online & Mobile Banking will be unavailable on Sunday, June 25, between 12:00am–6:00am due to routine system maintenance. Should you need access to your accounts, please arrange to submit transactions before or after this scheduled maintenance, visit your local MountainOne branch or call our Customer Care Team during normal business hours at 855.444.6861.

HOLIDAY NOTICE: In observance of Juneteenth National Independence Day, all MountainOne offices will be closed on Monday, June 19. As always, our Online and Mobile Banking services are available 24 hours a day.

MountainOne’s Rockland branch will undergo building maintenance Monday, June 5 – Wednesday, June 7. At that time, the branch’s rear parking, drive up teller & drive up ATM will be unavailable. Please access the branch lobby from our front entrance between 9:00 am and 3:00 pm for in-person transactions. Our walk-up ATM located at the front entrance is also available 24/7.

Need assistance? Please call our Rockland branch staff directly at 781-878-5252 and we will be happy to assist you!

MountainOne’s Rockland branch is undergoing building maintenance Monday, June 5 – Friday, June 9. Therefore, the branch’s rear parking, drive up teller & drive up ATM is currently unavailable. Please access the branch lobby from our front entrance between 9:00 am and 3:00 pm for in-person transactions. Our walk-up ATM located at the front entrance is also available 24/7. Need assistance? Please call our Rockland branch staff directly at 781-878-5252 and we will be happy to assist you!

NOTICE: Our North Adams drive-up & drive-up ATM will be closed June 20-30 due to paving. Please visit the lobby during available hours to handle a transaction. Our Williamstown branch lobby, drive-up, and ATMs are also available. For other ATM locations, click here.

NOTICE: Our North Adams drive-up & drive-up ATM will be closed June 20-30 due to paving. Please visit the lobby during available hours to handle a transaction. Our Williamstown branch lobby, drive-up, and ATMs are also available. For other ATM locations, click the ATM Locations button.

ATM Locations