Contact Us

At Tremont Credit Union, we welcome all questions, comments and feedback. We offer a number of methods to contact us as we seek to provide our valued customers with the best customer service. Below is a list of contact options to help facilitate your important business with us.


TCU is pleased to announce that we now offer 24/7 call center assistance for our members. Members will now be able to call us at any time, including weekends and holidays*!

*Unavailable from 5:00 PM on 12/24 to 5:00 AM on 12/26 and from 7:00 PM on 12/31 to 5:00 AM on 1/1.

What can you do over the phone?

  • Account inquiries
  • Apply for a loan
  • Transfer balances
  • Make payments
  • Make requests
  • Troubleshooting
  • More!

Phone Numbers:

Local 781-843-5626
Toll-free 800-370-1939
After-Hours Emergency Only 866-889-4351

24-hour Member Telephone Services system:

New! Order official checks FREE through MTS!
For the MTS Guide and Instructions for use, click here.

Local 781-356-4874
Toll-free 800-370-2255


For your protection and security Tremont Credit Union now offers you the ability to send us secure emails. If you plan on sending any personal information such as SS# or Member number please use the new secure email. Please click the link below to sign in or to register. Once signed in click the compose link to send your email to a TCU staff member. If you do not know the specific email address of the employee you are trying to reach please use while signed onto our secure email site.

Send a secure email.

To learn more about our secure email encryption system click here.


If you’d like to send us a secure message by using our secure web form, please click here.


If you are unable to sign into the secure email site, call our call center, or can not find the information you are looking for on our web-site you can send us an unsecure email at If you plan on sending any personal information such as SS# or Member number please use the new secure email above. We will make sure that your question, comment, or concern gets routed to the appropriate department. We strive to answer all emails by the next business day. Please be mindful that this is an unsecure email, do not send any sensitive or personal information such as your member number or social security number.

Fax numbers:

Member Services 781-356-7302
Loan Department 781-356-5848
Bayside Branch 617-288-2269
Longwood 617-232-6541
Roslindale 617-323-5490

Lost or Stolen Debit Cards

During TCU Hours: If your TCU Visa Debit Card has been lost or stolen, please call us at 1-800-370-1939 to freeze or cancel your card.

After Hours: If your TCU Visa Debit Card has been lost or stolen, please call our MTS system at 1-800-370-2255 to freeze or cancel your card. Your access code will the last four digits of your social security number unless you have designated a different number as your access code.

If your card has been blocked without your knowledge, or to report fraudulent activity on your debit card, please call 1-888-241-2440.

Have You Moved Recently?

Tremont Credit Union requires all address changes to be in writing. Change of Address Form and then drop it off at any branch or mail it to the address below.

Tremont Credit Union
P.O. Box 850649
Braintree, MA 02185


Accessing your Account:


At Home:


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