ATTENTION ONLINE BANKING AND MOBILE APP USERS
Having trouble logging in or accessing your Greylock APP? It may be time to change your password.
(For your protection, passwords must be changed.)
To change your password, you must log into home banking using the log in box below.
You will then be able to access your accounts from your APP using the new password.

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