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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. 

24/7 Call Center Support

Tremont Credit Union now offers free 24/7 call center assistance. Members can 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
  • And more 

Phone Numbers

Local: 781-843-5626

Toll-Free: 800-370-1939

After-Hours Emergency Only: 866-889-4351 

24-hour Member Telephone Service (MTS)

Local: 781-356-4874

Toll-Free: 800-370-2255 

Learn more about MTS.

Secure Email

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 Tremont Credit Union staff member. If you do not know the specific email address of the employee you are trying to reach, please use [email protected] while signed into our secure email site.

Contact Form

For any general comments or questions, feel free to use our contact form. 

If you plan on sending any personal information such as a social security number or member number, please use the secure email above.

Email

If you are unable to sign into our secure email site, please call a branch or notify us by email at [email protected].

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 

Mail a Request

To mail a request, loan payment, or set up an online bill payment to Tremont Credit Union, use the following address:

Tremont Credit Union
P.O. Box 220730
Boston, MA 02122

Lost or Stolen Debit Cards

During Hours: If your Tremont Credit Union 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 Tremont Credit Union 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 be 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. Print our Change of Address Form (PDF) and then drop it off at any branch or mail it to the address below.

Tremont Credit Union
P.O. Box 220730
Boston, MA 02122

Accessing Your Account

In-Person:

At any of our branch locations

At over 5,500 shared branches nationwide

At over 37,000 surcharge-free ATMs

Vcom Surcharge-Free Self-Service Kiosks 

At Home:

Online banking

Mobile app

Member Telephone Service (MTS)

  • OK Name is required
  • Optional OK Phone is required
  • OK Questions is required
  • OK is required