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For immediate assistance and answers to your questions, call the phone number found on the back of your Mastercard or Maestro card

Lost or stolen card?

If you need to report a lost or stolen card or have any other questions regarding your Mastercard, please call us on 1-800-55-7378. If you are travelling abroad, you can call us on one of the numbers listed attached.

Ready to start accepting?

A small effort can bring big rewards.


EU Interchange rates

When you accept Mastercard, it's important to know the economics that underlie the transaction.

Access the Mastercard rules

Our rules and compliance programs promote reliable, simple and safe payments for all.