We list here the ways to contact Citi® Diamond Preferred® Card. Citi® Diamond Preferred® Card customer service is available on various channels and platforms.
– No customer service email address was published.
Contact Citi® Diamond Preferred® Card customer service by mail: Citibank Customer Service, P.O. Box 6500, Sioux Falls, SD 57122.
Customers can contact Citi® Diamond Preferred® Card on the company’s official Facebook page: Click here.
Customers can contact Citi® Diamond Preferred® Card on the company’s Twitter account: click here.
Citi® Diamond Preferred® Card customer service contact number: 1-800-823-4086.
Phone support hours: 24/7.
TTY: 1-800-325-2865
Check the various customer service options on the Citi® Diamond Preferred® Card site: Click here.