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©2026 Greylock Federal Credit Union. All Rights Reserved.

Phone: 413-236-4000 Toll Free: 1-800-207-5555 Routing Number #211885250 NMLS #446499

IMPORTANT - ATM UPGRADES

As of 8am, Tuesday, May 26:

Adams Branch ATMs will be unavailable

As of 4pm, Tuesday, May 26:

Williamstown Branch ATM/VTS will only be available at the drive-up

As of 11:30am, Wednesday, May 27:

188 Elm Street ATM/VTS (Lipton Mart) will be unavailable

Upgrades are being installed - status updates will be shared when available.

HOLIDAY CLOSURE

All Greylock locations are closed Monday, May 25 for Memorial Day.

WILLIAMSTOWN BRANCH

NEW! Video Teller Services now available at the Williamstown Branch drive-up ATM.

Hours:
Monday-Friday: 7:30am-6:00pm
Saturday: 11:00am-3:00pm

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