Important Numbers


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:


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. Members can also use our MAFCU Card manager to set a travel notice.



Debit Card Support

Lost or Stolen Visa® Debit Cards

844-368-1833 for 24-hour assistance

Visa® Debit Disputes or Fraud


Credit Card Support

Lost or Stolen Visa® Credit Cards

855-851-5344 for 24-hour assistance

Visa® Credit Disputes or Fraud


Cardholders alert notifications will come from:

  • For voice > 844-650-0544 (English)
  • For voice > 844-650-0545 (Spanish)
  • For text > 844-650-1775 (English)
  • For text > 844-650-1176 (Spanish)
  • For call back > 833-735-1897, 833-735-1891


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 speak to a service representative about any other questions or 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


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

[email protected]

Mail-In Deposits

P.O. Box 2270
Germantown, MD 20875

Emails to MAFCU’s Supervisory Committee

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

[email protected]

MAFCU’s Supervisory Committee

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

Please feel free to let us know if you have any questions or how we can serve you better.