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Contact Us
Here is a list of phone numbers and e-mail addresses for departments within your credit union. Simply click on the highlighted Email Address link to initiate a new email message. Personal or confidential information should not be sent via email or chat as this information is not transmitted through a secure link. Thank you.

Name Email Address Phone Number
Greylock Web Service greylockws@greylock.org (413)236-4000
Member Services (413)236-4000
Loan Department (413)236-4135
Mortgage Department (413)236-4125
Business Banking Department (413)236-4155
Human Resources (413)236-4110
Collections (413)236-4163
Administration (413)236-4103
Webmaster webmaster@greylock.org (413)236-4802
VISA Credit Card Lost Stolen - 24 Hours 1-866-839-3485
VISA Credit Card Inquiries - 24 Hours 1-866-317-0355
VISA Credit Card Activation - 24 Hours 1-866-839-3492
VISA Credit Card Security (Falcon) - 24 Hours 1-800-437-9392
VISA Check Card (Debit Card) Activation - 24 Hours 1-800-543-5073
VISA Check Card (Debit Card) Lost/Stolen - 24 Hours 1-800-543-5073
VISA Check Card (Debit Card) Security (Falcon) - 24 Hours 1-800-890-5097
Greylock Federal - Toll Free 1-800-207-5555
Greylock Insurance Services Click Here for Contact Info


Personal or confidential information should not be sent via email as this information is not transmitted through a secure link.


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