We're Here For You

While we are pleased to provide partial access to some branch lobbies, please know that online and mobile banking, drive-up and telephone are still the best ways for you to work with Greylock, now and for the foreseeable future. These great services not only provide improved convenience, they also provide enhanced safety for you and our staff.

We are available 24/7 at (413) 236-4000

For Updated Branch Hours CLICK HERE

For Member Updates CLICK HERE.

For Business Member Updates CLICK HERE.

Who Can Join?

  • Persons who live in Berkshire County, Westfield, Southwick, Granville, Montgomery or Russell Massachusetts; Columbia County, New York; Bennington County, Vermont.
  • 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; Columbia County, New York; Bennington County, Vermont.
  • Persons participating in programs to alleviate poverty or distress which are located in towns, cities or counties listed above.
  • Incorporated and unincorporated organizations located in or maintaining a facility in Berkshire County, Westfield, Southwick, Granville, Montgomery or Russell Massachusetts; Columbia County, New York; Bennington County, Vermont.
  • 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. 

Please note, all membership applications are subject to review. Not all applications will be approved.

Join Online

You will need:

  • Your Social Security Number or Individual Tax Identification Number
  • A US government-issued photo ID (unexpired Driver's License, Passport, State or Military ID)
  • A credit/debit card or US checking or savings account to fund your new account

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.