Online Banking

Card Lost/Stolen/Fraud Help

If you believe that one of your ATM, credit, or debit card numbers, or your PIN number, has been stolen, or if you notice fraudulent charges on your card, please call our Plastic Card Services Department immediately at (513) 523-8888.

If the credit union offices are closed, call:

  • For lost/stolen Miami VISA Gold or VISA Classic Cards: 1-833-541-0777  (NEW NUMBER)
  • For lost/stolen Debit or ATM Cards: 1-833-933-1681  (NEW NUMBER)
  • From Outside North America (For Debit or ATM Cards Only): +1 812-647-9794
  • For lost/stolen Checks: (513) 523-8888, option 1 (leave message)

Then follow up the next business day with a call to the credit union.

Stop fraud before it happens. Click here to read our Security and Privacy information for steps to help keep yourself from becoming a victim of fraud.

Traveling soon? You'll want to make sure your cards will work at your destination, and that your personal information stays safe while you're away from home. Click here to read some important travel information before you go.

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Your savings are federally insured to at least $250,000 and backed by the full faith and credit of the United States Government.


Certain restrictions may apply to the products and services described above. Contact the credit union for details. MUCFCU is not an entity of Miami University.