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Contacts for lost cards or suspected fraud

Lost or Stolen Card Center

Call this number to report your card lost or stolen
(800) 528-2273

Blocked Cards and Card Fraud Center

Call this number to respond to blocked card alerts or to report suspected fraud
(800) 889-5280

Important notes on safety and security

  • Sign your card right away. To be valid, your card must be signed.
  • Learn your PIN. You may be required to enter it at chip-enabled terminals. This step offers increased protection against fraud. 

Features you can count on:

Online or in-person

Your new debit Mastercard® is accepted at millions of locations worldwide. Use your card to automatically pay monthly bills and make repeat purchases a snap by adding your debit card as the card on file at your favorite online shops and services.

Protection wherever you shop

When you’re shopping by mail, phone or online Mastercard’s Zero Liability Policy helps protect you from unauthorized charges. Any funds taken from your account due to fraudulent use will be returned to your account. Pay only for purchases which you have authorized on your Mastercard when you use reasonable care and promptly report loss or theft.*

Travel & emergency services

  • Mastercard Travel Services–Enjoy a new way to book hotels, flights and car rentals online with Mastercard Travel Services. Sit back, relax and start planning your journey.
  • Mastercard Global Service–Receive 24-hour/7-day customer service assistance with lost and stolen card reporting, emergency card replacement and cash advance as well as assistance with locating ATMs and help with card-related questions.

Mastercard ID Theft Protection™

Mastercard is the only payment brand that provides its U.S. cardholders with services – at no extra cost–to help you detect and resolve identity theft. Call Expert Resolution Services at 1-800-Mastercard if you think your identity has been stolen. If you need to rebuild your physical wallet, Mastercard experts can assist, canceling and re-ordering what you’ve lost. And, Mastercard’s ID Theft Alerts™ tracks thousands of websites to see if your personal information is being misused (registration required).

Mastercard is a registered trademark of Mastercard International Incorporated.

*For further details, see your card agreement or contact your issuer.