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Need to get in touch?

If you’re looking to connect with us directly, please choose from the following options.

Looking for some specific product or service related information? Visit our FAQ library to find answers to the questions most commonly asked by our members.

By Phone

We have staff available to answer phone calls 24/7/365. Calls coming in after hours will be handled by our after-hour team. They have full access to information on products and services as well as special promotions and offers.

Our MIT FCU Call Center Representatives are available during regular business hours: Monday-Friday, 8 am – 4pm ET - 617.253.2845 or toll-free 855.MIT.CU4U (855.648.2848).

The directory below provides information on specific departments and branches.

By Email

Contact us directly at, or use the form below. We will respond by the next business day. Email is not secure, DO NOT INCLUDE any confidential information (such as account numbers or Social Security Number) in your message.

By Mail

MIT Federal Credit Union
70 Westview Street
Lexington, MA 02421


Helpful Phone Numbers

Branches and Member Services
Department Phone/Email Fax After Hours/Weekends
Bill Payment Service & Customer Service 617-253-2845
Consumer & Home Equity Center 617-253-2845 781-205-4685 855-648-2848
Mortgage Origination Center 866-265-1121
Mortgage Servicing Center 781-205-4686
Lincoln Laboratory Branch (Restricted Access) 617-253-2845 781-205-4880
Technology Square Branch 617-253-2845 781-205-4880
Student Center Branch 617-253-2845 781-205-4880
ATM, Debit and Credit Cards
Activate A Debit/ATM Card 800-992-3808
Fraud Unit For Debit/ATM Cards
(If debit/ATM is temporarily blocked)
International Fraud Unit For Debit/ATM Cards
(If debit/ATM card is temporarily blocked)
Lost Or Stolen Debit/ATM Cards 833-337-6075
For ALL Visa Inquiries- Elan Financial Services 800-558-3424

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