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

Annual Meeting

Join Us For Our 85th Annual Meeting

Learn what's new at your Credit Union! Board Chair Stanley Walczyk and President/CEO John Bissell will review highlights from 2019, Executive Vice President/CFO Michael Stoddard will present Greylock’s financial report and Greylock’s independent auditing firm will share their yearly report.


Tuesday, September 22, 2020


You can join us from your computer, smartphone, or from any internet connected device

NOTE: You will need to log in with your member number and the last 4 digits of your social security number or your birthdate. If you don’t know your member number, it can be found on your monthly or quarterly statements.

example of a greylock electronic statement