Evelyn Boros, Credit Cards Moderator
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You can add an AAdvantage MileUp Card authorized user while applying for the card. If you're already a cardholder, you can add additional users:
- From your online banking account
- Via the Citi mobile app
- By calling (888) 766-2484
Keep in mind, though, that you're the one responsible for purchases made by your authorized users.
American Airlines AAdvantage® MileUp®
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