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.

Who Can Join?

  • Persons who live in Berkshire County, Westfield, Southwick, Granville, Montgomery or Russell Massachusetts.
  • Persons who work (or regularly conduct business in), worship, attend school, or volunteer for an organization in Berkshire County, Westfield, Southwick, Granville, Montgomery or Russell Massachusetts.
  • Persons participating in programs to alleviate poverty or distress which are located in Berkshire County, Massachusetts.
  • Incorporated and unincorporated organizations located in or maintaining a facility in Berkshire County, Westfield, Southwick, Granville, Montgomery or Russell Massachusetts.
  • Persons with an immediate family (spouse, child, sibling, parent, grandparent, grandchild, stepparent, stepchild, stepsibling or adoptive relationship) or household member who is eligible.
  • Persons who participate in an association headquartered in Berkshire County, Massachusetts that is affiliated with Greylock Federal Credit Union. Current organizations include: Berkshire Museum, Berkshire Humane Society or The Berkshire Conservation District. Greylock will facilitate the membership on behalf of such persons with the organization of their choosing. 

Join In A Branch

Please bring with you:

  • A driver's license or other valid government issued picture identification.
  • Social Security Card.
  • Cash or a check for at least $5.00 payable to Greylock Federal Credit Union, or $20.00 if you are opening both a Primary Share and a Checking Account.