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Q: How do I file an affidavit of fraud?

We are sorry you suspect fraud on your account or card. If the transaction involved your card, contact Mountain America immediately at 1-800-748-4302 or use Card Manager on the mobile app to freeze your card. If the fraud is not associated with your card, contact the Service Center at 1-800-748-4302.

If you have any other questions, please contact the Service Center or visit a branch.
Learn how to use Card Manager from your mobile app.

1-800-748-4302

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© 2025, all rights reserved. Mountain America Credit Union, P.O. Box 2331, Sandy, UT 84091, 1-800-748-4302. Unauthorized account access or use is not permitted and may constitute a crime punishable by law. Mountain America Federal Credit Union does business as Mountain America Credit Union. Membership required—based on eligibility. Loans on approved credit. ‡Annual Percentage Yield (APY). Annual Percentage Rate (APR).

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