Trying to contact AT&T Universal Card customer service? We list here the different methods to get in touch with AT&T Universal Card: Phone, website, email, Twitter, Facebook and more.
– No customer care email was published.
Customers can contact AT&T Universal Card customer service by mail: Citibank Customer Service, P.O. Box 6500, Sioux Falls, SD 57118.
Customers can contact AT&T Universal Card on the company’s Twitter account: click here.
For customer service and self service options on the AT&T Universal Card website: click here.
The phone number of AT&T Universal Card customer service is: 1-800-423-4343.
Contact center operating hours: 24/7.
TTY: 1-800-325-2865
Contact AT&T Universal Card on its official Facebook page: click here.