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Please do not include and transmit any confidential information via email. Confidential information, including account information and personally identifiable information should not be transmitted by non-encrypted email / email attachments. Use of non-encrypted email is inherently insecure. In no event shall Dean Bank accept any responsibility for the loss, use or misuse of any information including confidential information, which is sent to Dean Bank by email or email attachments.

Mobile users can send inquiries to .



We can personally connect you to any Dean Bank office during business hours, or you can call your local branch directly. We take pride in the fact that you'll be greeted by a person, not an automated system.

By Mail

Dean Bank
P.O. Box 307
21 Main Street
Franklin, MA 02038

If you are mailing a payment or deposit to us, the mailing address is:

Dean Bank
P.O. Box 296
Franklin, MA 02038

Department Fax Numbers

Executive & Administration: 508.541.5687
Mortgage & Operations: 508.541.5684
Commercial: 508.541.5687
Accounting: 508.528.5760

Important Phone Numbers

PhoneLink – Toll-Free Telephone Banking: 1.877.541.DEAN (3326)

To report a lost or stolen Debit or ATM Card: During bank hours, call us at 508.528.0088. After hours you may call 1.800.472.3272 in the U.S. or call 973.682.9794 internationally.

To activate your debit card with current PIN or to set up / change your four-digit PIN, please call 800 992-3808 and follow these prompts:

  • Enter your debit card number
  • Enter the three-digit code on the back of the debit card (called the CVV or CVC)
  • Enter a security question
  • Enter the card's expiration date

IMPORTANT INFORMATION:  If you've been contacted about potential fraud and are asked to return their call you may dial 833.735.1894. Cardholders may also call the bank during regular business hours and our staff can also mark the case as fraud/no fraud. 


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Please note: Time-sensitive requests or private information, such as account numbers, should not be sent through our Contact Us form or through email.