Learning for Life
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Frequently
Asked Questions

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How do I dispute a credit card transaction?

To dispute a Cambrian Credit Union Mastercard® transaction, contact Collabria Financial Services at 1.855.341.4643.

You may need to dispute a credit card transaction if:

  • Someone used your card without permission
  • There was a billing error
  • You are trying to resolve a problem with the merchant


®The Cambrian Credit Union Mastercard is issued by Collabria Financial Services Inc. pursuant to a license from Mastercard International Incorporated.