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.

General Dynamics

Greylock General Dynamics Office

Limited Access: General Dynamics Employees Only

100 Plastics Ave
Pittsfield, MA 01201

Phone: (413) 997-6328
Fax: (413) 443-0752

Office 
8:00am–3:00pm, Monday–Friday,
Closed 1:00-1:30pm Daily
Closed every other Friday*

*Follows General Dynamics 9/80 Schedule

Locations & ATMs

Locations & ATMs