Citi Diamond Preferred Credit Card Login | Make a Payment
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Click here to leave a reviewThe Citi Diamond Preferred Credit Card offers you the unique possibility to save on interest and get access to various extraordinary offers during the entire year. Additionally, you can easily manage your account online. Below, you’ll find information regarding how to log in, retrieve your lost credentials and set activate/register your card.
How to Login / Make a Payment
Here is how to log in to your online account, provided you already have one:
Step 1: On the upper right side of the card’s homepage, click on the ‘Sign On’ button to open the login page.

Step 2: Enter your User ID and Password in the appropriate fields and press ‘SIGN ON.’

Forgot Password / Username
Should you ever forget your credentials, don’t worry, you’ll be able to quickly and easily retrieve them.
Here is what you must do:
Step 1: Press ‘Sign On’ in the card’s main web page.

Step 2: In the log in page click on the ‘Forgot User ID/Password’ button.

Step 3: Introduce your ATM/Debit or Credit Card Number and click ‘Continue.’

Activation / Registration
Once you acquired a Citi Diamond Preferred Credit Card, you should create an online account in order to be able to easily manage your card and make payments.
Below are instructions on how to do this:
Step 1: Go to the card’s homepage and click ‘Sign On.’

Step 2: You will first have to activate your card and then register it. Click on ‘Activate a Card’ to open the activation webpage.

Step 3: Enter your credit card number and press ‘Continue.’ Now your card is activated and you should register it.
Return to the login page and click on ‘REGISTER NOW.’

Step 4: Provide once more your card number and press ‘Verify & Continue.’

Step 5: In the following steps, you’ll be asked to create a User ID, to set up some security options (including a secure password) and finally, your registration will be confirmed.

FAQs
Q: What does “Citi® Identity Theft Solutions” include?
Identity theft is a very common occurrence nowadays, and it might happen to anyone. Citi® Identity Theft Solutions is the option which is used to help you resolve the problem, identify compromised accounts, file police reports and taking steps to get your good credit back.
Q: Who is Citi Diamond Preferred Credit Card good for?
The Citi Diamond Preferred Card is an excellent balance transfer card. It has a 21 month long promotional period without paying any interest on balance transfers and purchases. For those people who have a large purchase, Citi Diamond Preferred Credit Card is one of the best options. It is also good for the suite of Citi Services including insurance and protections on products purchased, and it is recommended for those who are not able to pay their balance in full each month.
Q: Can I use Citi Diamond Preferred Credit Card to take the cash out of ATMs?
Citi Diamond Preferred Credit Card can be used at any ATM, but it is obligatory to obtain a PIN code so as to be able to use it. The PIN code can be obtained by calling Citi customer service number 800-950-5114. This service includes not so low a price, so it is advisable to call it only in case of emergency.
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Grrr. I just wanted to know where to mail a payment.
I have been trying to log ineto my account and instead it takes me to an AT&T account from some time ago and it is closed? I can’t get into my City Dianon preferred card? Need help want to make a payment