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Looking for more information? Have a question? See our contact options below. The answer might just be here  — just ask your question!




For support with debit cards, CO-OP Network ATM cards, or credit cards, please call a number below:

Lost, stolen, or fraudulent ATM or debit cards (U.S. only) 1-888-241-2510
Lost, stolen, or fraudalent ATM or debit cards (international) 1-909-941-1398
Business hours debit card support 734-455-9200 Opt. 4
Automated debit card activation and PIN reset 1-866-762-0558

After-hours debit card support (available 24/7 except Thanksgiving and Christmas Days)

Lost or stolen  MasterCard credit cards 1-800-449-7728
MasterCard credit card transaction assistance 1-866-820-2945
Speedy Line telephone banking 1-800-842-0975

Do you have a question or comment? It's easy to contact us.

You can call any of our offices listed below between 9:15 a.m. and 5:30 p.m. Monday thru Friday:

Plymouth (734) 455-9200
Livonia (734) 261-1050
Ann Arbor (734) 761-7505
Brighton (810) 494-6000
Royal Oak (248) 399-7473
Macomb Township (586) 566-5599
Toll-free, Outside Metro Detroit Area (888) 261-3355

Or, complete the form below and press "Submit." (Information sent by email is at risk of loss of confidentiality if the information is transmitted over the Internet. MECU does not recommend sending confidential information such as account numbers or Social Security numbers by email. You may contact us directly at the numbers listed above.)

MECU will never request you to provide us any personal information via email (such as account numbers, PINs, Social Security numbers, etc.). If you receive an email from a source claiming to be MECU that requests sensitive information, please disregard it and contact MECU. Do not send them any information about you or your account with MECU.


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