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Contact Us

Important Numbers

  • Call Our Member Service Center


    800-95-MAFCU (800-956-2328)

    Call Center Hours

    Monday - Friday: 8:00 am - 5:00 pm

    Saturday: 9:00 am - 1:00 pm

  • 24/7 Cardholder Service


    For balance inquiries, payment information, transaction history, statement requests or to dispute a charge


  • Lost or Stolen Visa® Debit Cards

    844-368-1833 for 24-hour assistance

  • Lost or Stolen Visa® Credit Cards

    855-851-5344 for 24-hour assistance

  • Visa® Debit Disputes or Fraud


  • Visa® Credit Disputes or Fraud


  • Travel Notice

    To set a travel notice, call us at least 1 business day in advance of your trip and provide: last 4 digits of card number(s), the dates of your trip and your destination.




Phone Tree


Call 301-944-1800 or 800-95-MAFCU (800-956-2328)

Press Description
1 Automated Member Access Telephone Teller
2 To report a lost or stolen card, to dispute a card transaction, to activate your card or to set/change your pin
3 To speak with a mortgage or home equity representative
4 To speak to a service representative about your account or loan, for online or mobile services or to schedule a branch appointment
5 For questions on Death Claims, Subpoenas, Garnishments, Levies or to speak with an Asset Protection Specialist
6 To become a Mid-Atlantic Federal Credit Union member

Receiving Wire Instructions

To receive a domestic or international wire into your MAFCU account you will need to provide the following information:

- Our Routing Number = 255077477

- Your MAFCU Account Number = If savings account provide your member number, if checking account provide your SDC number (account number at the bottom of your check)

- Our Address = 12820 Wisteria Drive, Germantown, MD 20874

- Complete Name of our Credit Union = Mid-Atlantic Federal Credit Union

Text Us

You can reach us through SMS by texting 301-944-1800.

Email Us

Email Mafcu

NOTE: Please do not send sensitive or private information via regular email.


Emails to MAFCU's Supervisory Committee

NOTE: Please do not send sensitive or private information via email.


Mail-in Deposits

P.O. Box 2270
Germantown, MD 20875

MAFCU's Supervisory Committee

Supervisory Committee at MAFCU
P.O. Box 2270
Germantown, MD 20875