Contact Information

All Offices May Be Reached By Calling:
734-662-8200 or 800-968-UMCU (8628)

After hours lost/stolen Visa number:
1-800-991-4965

Mailing Address:
P.O. Box 7850
Ann Arbor, MI 48107-7850

Administrative Offices:
340 E. Huron Street, Suite 100
Ann Arbor, MI 48104-1909

Routing Number: 272-476-543


What is “vishing”?

Vishing is the telephone equivalent of phishing. Vishing is the act of using the telephone in an attempt to scam the user into surrendering private information that will be used for identity theft. The scammer usually pretends to be a legitimate business, and fools the victim into thinking he or she will profit. UMCU would not send requests for this type of information via phone.

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