Included with Select Citi® Cards
You're completely protected against unauthorized charges on your account.
At Citi, you will not be responsible for a charge that you did not authorize, online or otherwise.
To help you reduce the risk of credit card fraud, Citi offers tools such as Citi® Online and Citi Account Alerts, to provide you with access to your account activity quickly and regularly.
If you suspect unauthorized use of your card, call Citi Cards Customer Service immediately at 1-800-950-5114 (TTY: 1-800-325-2865).
If your card has been lost or stolen, you can request that we close your account and replace your card with the Replacement, Lost or Stolen Card link below or by calling Citi Cards Customer Service immediately at 1-800-950-5114 (TTY: 1-800-325-2865).
Outside of the United States,
Call Citi collect at: 605-335-2222
24 hours a day, 7 days a week