How to Activate Citi Diamond Preferred?



Question: How do I Activate Citi Diamond Preferred Credit Card?

Answer:  Congratulations on getting the Citi Diamond Preferred Credit Card. Citi Diamond Preferred is a good overall credit card to use. Citi Diamond Preferred credit card is issued by Citibank.

Citibank Diamond Preferred

There are several ways to activate your new Citi Diamond Preferred Credit Card

The first way to activate the Citi Diamond Preferred credit card is by calling the Citi Diamond Preferred dedicated activation telephone number: 1-800-950-5114

The second way to activate Citi Diamond Preferred credit card is by activating online at Citibank Card Activation.  The site will login to your Citi Diamond Preferred Credit Card account to activate your new Citi Diamond Preferred Credit card.

If any information is incorrect, please contact us with the updated information.


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