How do I activate my AAdvantage MileUp Card? This question is about the American Airlines AAdvantage® MileUp®

To activate an AAdvantage MileUp Card, call the phone number on the back of your card or go to the Citibank activation website. Another way to activate an AAdvantage MileUp Card is by using the card issuer’s mobile app. Your new AAdvantage MileUp Card will be ready to make purchases in just a few minutes no matter which method you use to activate it. Citibank does not have a certain time limit within which you need to activate your card, but it’s best to do it as soon as possible. How to Activate an AAdvantage MileUp Card By phone: Call the phone number on the back of your card or the number on the sticker attached to the front of the card. Verify your personal information (e.g. Social Security number, card number, or phone number associated with your application) to activate your AAdvantage MileUp Card. On the website: Log in to your Citibank account (or create an account if you don’t have one) and find the activation page. Enter any required security information, including your credit card number, security code, the last 4 digits of your Social Security number, and your date of birth. Activate your AAdvantage MileUp Card as instructed. On mobile: Log in to the Citibank mobile app using the same credentials that you’d use to log in online. Tap the credit card activation button, then enter any security information that’s requested on the following page. Your new AAdvantage MileUp Card will be available for purchases immediately after activation. If you have any trouble activating your card, Citibank customer service can always help you out. You can give them a call at 1 (888) 766-2484.

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How do I activate my AAdvantage MileUp Card?

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This question is about the American Airlines AAdvantage® MileUp®

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Chip Lupo, Credit Card Writer

@CLoop • 02/01/23 This answer was first published on 02/01/23. For the most current information about a financial product, you should always check and confirm accuracy with the offering financial institution. Editorial and user-generated content is not provided, reviewed or endorsed by any company.

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To activate an AAdvantage MileUp Card, call the phone number on the back of your card or go to the Citibank activation website. Another way to activate an AAdvantage MileUp Card is by using the card issuer’s mobile app.

Your new AAdvantage MileUp Card will be ready to make purchases in just a few minutes no matter which method you use to activate it. Citibank does not have a certain time limit within which you need to activate your card, but it’s best to do it as soon as possible.

How to Activate an AAdvantage MileUp Card

By phone: Call the phone number on the back of your card or the number on the sticker attached to the front of the card. Verify your personal information (e.g. Social Security number, card number, or phone number associated with your application) to activate your AAdvantage MileUp Card.
On the website: Log in to your Citibank account (or create an account if you don’t have one) and find the activation page. Enter any required security information, including your credit card number, security code, the last 4 digits of your Social Security number, and your date of birth. Activate your AAdvantage MileUp Card as instructed.
On mobile: Log in to the Citibank mobile app using the same credentials that you’d use to log in online. Tap the credit card activation button, then enter any security information that’s requested on the following page.

Your new AAdvantage MileUp Card will be available for purchases immediately after activation. If you have any trouble activating your card, Citibank customer service can always help you out. You can give them a call at 1 (888) 766-2484.

How do I activate a credit card?

To activate a credit card, call the number on the back of the card or go to the website listed on the activation sticker attached to the card. Credit card activation typically requires the credit card number, the security code (CVV), or both.

The exact steps required to activate a credit card depend on the card issuer, so it’s best to follow the instructions from the sticker attached on your card. If you’ve lost your sticker...

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How can I activate my credit card without calling?

You can activate your credit card without calling by using the issuer’s website or mobile app, in most cases. It also may be possible to activate your card in person by visiting one of the issuer’s branches and speaking with a teller.

When you receive your credit card in the mail, there should be instructions for exactly how to activate your card and what methods are available. The exact steps will differ from issuer...

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