AAdvantage Mastercard Login, Payment, and Phone Number: The Ultimate Guide

If you are an AAdvantage Mastercard holder, you may be wondering about how to log in to your account, make a payment, or get in touch with customer service. In this guide, we will walk you through each of these steps and provide you with helpful tips to optimize your experience.

AAdvantage Mastercard Login

Logging in to your AAdvantage Mastercard account is easy and straightforward. Follow these steps:

  1. Go to the AAdvantage Mastercard website at https://www.citi.com/credit-cards/credit-card-details/citi.action?ID=citi-aadvantage-platinum-select-credit-card
  2. Click on the “Sign On” button in the upper right-hand corner of the page.
  3. Enter your User ID and Password in the appropriate fields.
  4. Click on the “Sign On” button again to log in to your account.

If you have forgotten your User ID or Password, you can click on the “Forgot User ID or Password” link and follow the prompts to retrieve your login information.

Once you have logged in to your account, you can view your balance, transaction history, and make payments.

AAdvantage Mastercard Payment

Making a payment on your AAdvantage Mastercard account is quick and easy. Follow these steps:

  1. Log in to your account as described above.
  2. Click on the “Payments” tab.
  3. Select the account you want to make a payment on.
  4. Enter the amount you want to pay and the date you want the payment to be processed.
  5. Select the bank account you want to use to make the payment.
  6. Click on the “Make a Payment” button.

If you want to set up automatic payments, you can do so by selecting the “AutoPay” option on the Payments page.

AAdvantage Mastercard Phone Number

If you need to get in touch with customer service for your AAdvantage Mastercard account, you can call the following number: 1-800-347-4934. This number is available 24 hours a day, 7 days a week.

When you call, be sure to have your account number and other relevant information available so that the customer service representative can assist you more efficiently.

In addition to calling customer service, you can also send a secure message through your online account or connect with AAdvantage Mastercard on social media.


In conclusion, managing your AAdvantage Mastercard account is easy and convenient. By following the steps outlined above, you can log in to your account, make payments, and get in touch with customer service with ease. Don’t forget to take advantage of the rewards and benefits that come with being an AAdvantage Mastercard holder, such as airline miles and travel perks.