Online Banking users
If you are logging in to the new system for the first time,
your Member number is the ‘User ID’ and the last six (6) of your SSN or Tax ID is your ‘Password.’
You will be prompted to create a new password upon login.
Online Banking Questions? Please call 413-236-4000
We thank you for your patience and apologize as we are receiving a high volume of calls – you may experience a brief period of silence and music on hold while you wait for assistance. Thank you!

Williamstown

Greylock Williamstown Office

455 Main St
Williamstown, MA 01267

Phone: (413) 458-4441
Fax: (413) 458-3104

Branch Manager: Steve Wisniowski

Lobby
8:30am–4:00pm, Monday–Friday
8:30am–12:30pm, Saturday

Driveup
8:30am–5:00pm, Monday–Friday
8:30am–12:30pm, Saturday

*Travelers Cheques available