FDIC-insured bank
MountainOne Bank — North Adams, MA
Bank headquartered in North Adams, Massachusetts, part of MOUNTAINONE FINANCIAL MHC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 93 Main St North Adams, MA 01247 |
| County | Berkshire |
| Metro area | Pittsfield, MA |
| Website | www.mountainone.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 90253 |
| Federal Reserve RSSD ID | 97804 |
| Status | Active |
| Charter class | SI (STATE) |
| Holding company | MOUNTAINONE FINANCIAL MHC |
| Domestic offices | 6 |
| Financials as of | June 30, 2026 |
How to find your MountainOne Bank routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.mountainone.com.
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Offices nearest to headquarters
| Mountainone Bank main office North Adams, MA |
93 Main St, 01247 |
| Williamstown Savings Bank Branch Williamstown, MA |
795 Main St, 01267 |
| Pittsfield Branch Pittsfield, MA |
111 Silver Lake Blvd, 01201 |
| Quincy Branch Quincy, MA |
77 Granite St, 02169 |
| South Coastal Main Off Rockland, MA |
279 Union St, 02370 |
| Scituate Branch Scituate, MA |
54 Front St, 02066 |
Where MountainOne Bank has offices
Cities with the most MountainOne Bank offices
Largest banks headquartered elsewhere in Massachusetts
| State Street Bank and Trust Company Boston | $412.62 billion |
| Eastern Bank Boston | $31.13 billion |
| Rockland Trust Company Rockland | $24.97 billion |
| Beacon Bank and Trust Boston | $22.20 billion |
| Salem Five Cents Savings Bank Salem | $8.82 billion |
| Needham Bank Needham | $7.42 billion |
| Cambridge Savings Bank Cambridge | $6.98 billion |
| Middlesex Savings Bank Natick | $6.15 billion |
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