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Cities: Great Barrington

Great Barrington Insurance

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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’s website and online services are intended for users who are 13 years of age or older. We do not knowingly collect personal information from children under the age of 13, and if we learn that we have inadvertently collected personal information from a child under 13 without parental consent, we will promptly delete that information.

MountainOne Bank 5 Star Rating March 2024 by Bauer Financial

HOLIDAY NOTICE: In observance of Martin Luther King, Jr. Day, all MountainOne offices will be closed Monday, January 19. As always, our Digital Banking services are available 24 hours a day.

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