Chip Lupo, Credit Card Writer
@CLoop
To freeze your AAdvantage MileUp Card, log in to your account on the Citibank website or mobile app and click the freeze/lock button. You can also call Citibank customer service at the number on the back of your card and ask them to freeze your card, though it is much easier to freeze and unfreeze a credit card online.
Key Things to Know About Freezing Your AAdvantage MileUp Card
- Freezing your AAdvantage MileUp Card will temporarily prevent most purchases from being made with your card number, which can be convenient if your credit card is lost or stolen, or if you’re trying to control your spending.
- Some transactions may still go through when your card is frozen, such as recurring payments you’ve already set up. You can ask Citibank customer service for the full details.
- For lost/stolen cards, it’s also important to note that you won’t be held responsible for unauthorized purchases thanks to a $0 fraud liability guarantee.
To start using your credit card at full capacity again after freezing it, you will have to reverse the freeze through your online account or by calling customer service.
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