If you fail to log in 3 times in a row, you are sure that your username and password are correct, then you should stop logging in and contact customer service.
Ask them if there is a problem with their server or with your account. Remember not to keep trying after several failures, this may cause your account to be closed or cancelled.
Citi – Sign On
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Remember User ID. Forgot User ID? Forgot Password? Activate a Card. Register for Online Access.
Compare Citi credit card offers or login to your existing account. Explore a variety of features and benefits you can take advantage of as a Citi credit card member.
Congratulations. Your account setup is complete. Now discover a whole new online account, built to give you more control over your card and your time. Get around faster in an intuitive, clutter-free environment. Log in from anywhere with a design optimized for any device. Manage your account your way with all the features you enjoyed before …