MountainOne Bank Williamstown

The MountainOne Bank Williamstown branch is one of the bank's 6 locations and has been serving the financial needs of their customers in Williamstown, Berkshire County, Massachusetts since 1892. The Williamstown branch operates as a full-service, brick and mortar office and is located at 795 Main Street, Williamstown, MA 01267. You can can contact the branch by calling 413-458-8191 or by visiting the location during regular business hours for assistance with your banking needs, such as opening checking and savings accounts, applying for loans and managing financial transactions.

The routing number for MountainOne Bank Williamstown branch is 211871015. It is valid for Automated Clearing House ACH transactions, such as direct deposits and bill payments as well as wire transfers, which are used for real-time bank-to-bank transactions. We recommend that you contact the branch directly to verify this information before proceeding with any transactions.

• ■ Monday:8:30am - 4:00pm
• ■ Tuesday:8:30am - 4:00pm
• ■ Wednesday:8:30am - 4:00pm
• ■ Thursday:8:30am - 4:00pm
• ■ Friday:8:30am - 4:00pm
• ■ Saturday:Closed
• ■ Sunday:Closed

MountainOne Bank Williamstown is open Monday to Friday and closed on Saturdays and Sundays. The branch opens at 8:30am in the morning. Please be advised that this information reflects the standard opening and closing hours of MountainOne Bank and is subject to change. We recommend contacting the Williamstown branch prior to your visit to confirm its hours of operation and availability.

• Bank Name:MountainOne Bank
• Bank Type:
• FDIC Insurance:Certificate #90253
• Routing Number:ACH & Wire - 211871015
• Online Banking:mountainone.com
• Branch Count:6 Offices in Massachusetts