Citi Diamond Preferred Mastercard Phone Number. Citicards Customer Service Phone Number 800 950-5114 Email Address Contact Citicards customer support at toll-free or business customer service phone number. 1-800-732-6000 CitiBusiness AAdvantage Platinum Select Cards.
If the card has been lost or stolen you can request a new card at the Replacement Card Page. Log in to live chat with a customer service representative. Get credit card protection and great rewards along with a low intro APR on balance transfers and no annual fee with Citi Diamond Preferred Card.
Citi Diamond Preferred Rewards.
Citi Cardss 800-633-7367 Diamond Preferred Rewards Number. Get credit card protection and great rewards along with a low intro APR on balance transfers and no annual fee with Citi Diamond Preferred Card. For more information please login or call Citi Customer Service at 1-800-950-5114 TTY. 1-800-325-2865 for hearing and speech impaired services only.
