The primary and fastest way to report fraud or suspicious activity on your American Express account is to call the number on the back of your card.
However, here are the main phone numbers used for fraud and customer service in the United States:
| Purpose | Phone Number | Availability |
| General Customer Service / Fraud Reporting | 1-800-528-4800 | 24 hours a day, 7 days a week |
| Lost or Stolen Card / Emergency Assistance | 1-800-528-4800 | 24 hours a day, 7 days a week |
| TTY/TDD (Hearing Impaired) | Dial 711 and 1-800-528-4800 | 24 hours a day, 7 days a week |
Key Advice:
- Always call the number on the back of your physical card or the number listed on your official statement to ensure you are contacting the correct customer service line for your specific card type and region.
- If you are outside the U.S. and need emergency assistance, you can call the Global Assist Hotline (the number is typically on the back of your Card or can be found on the Amex website by searching for “Global Assist”).
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Steps to Take:
Call the Fraud Department: Call the number above and follow the prompts to reach the fraud department.
Verify Transactions: Review recent transactions to ensure no unauthorized charges have been made.
Freeze or Cancel Your Card: If necessary, request to freeze or cancel your card to prevent further unauthorized transactions.
Request a New Card: If your card is compromised, you can request a replacement card with a new number.
Additional Tips:
Monitor Your Account: Keep a close eye on your transactions, especially for any unfamiliar or unauthorized charges.
Change Your PIN/Password: If you believe your card details have been exposed, changing your PIN or online account password is a good step for added security.
File a Report: If you’re in the U.S., you may want to file a report with the Federal Trade Commission (FTC) or your local authorities if fraud is involved.
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