Bank BranchesEvery insured bank office · FDIC · 1994–2026

Bank Branches › Closed and merged banks › Massachusetts › MountainOne Bank

FDIC certificate 90253 · North Adams, MA

MountainOne Bank

MountainOne Bank of North Adams, MA is open today. It is the same bank that used to be called North Adams Hoosac Savings Bank, Hoosac Bank: the name changed, the bank did not close. 2 other banks have been folded into it over the years.

1848
opened
open
today
3
names it used
2
banks folded in

Its names, in order

Every legal name on the FDIC record for this certificate.

  1. 1848
    North Adams Hoosac Savings Bank opens in North Adams, MA
  2. Mar 16, 1998
    renamed Hoosac Bank
  3. Jul 20, 2013
    renamed MountainOne Bank
  4. Today
    OPEN
    MountainOne BankMain office North Adams, MA · FDIC certificate 90253 · 6 offices in 1 state

    Every MountainOne Bank office →

Its offices in the FDIC deposit reports

9 offices filed under this charter in some year from 1994 on. 6 are still open as of June 30, 2026.

OfficeLast filed under itNow
93 Main StNorth Adams, MA2026Open
795 Main StWilliamstown, MA2026Open
77 Granite StQuincy, MA2026Open
279 Union StRockland, MA2026Open
111 Silver Lake BlvdPittsfield, MA2026Open
54 Front StScituate, MA2026Open
93 Main StreetNorth Adams, MA2021No longer reported
140 Commonwealth AvenueDanvers, MA2017No longer reported
296 Main StreetWilliamstown, MA2012No longer reported

Banks folded into MountainOne Bank

2 banks merged directly into this charter.

BankEndedHow
South Coastal BankRockland, MAJul 20, 2013merged
Williamstown Savings BankWilliamstown, MAJun 23, 2012merged

Source: FDIC BankFind institution and history records, read Nov 15, 2026. Look up certificate 90253 in the FDIC BankFind Suite to see the government's own entry. Corrections: me@byclaude.net.