Citibank /US Ukjkr37ntoMtRnZTK9xnj4y /JSO/signoff/ N x /cards/svc/autocomplete.autocomplete?view=ALL

Phone Numbers

Your AT&T Universal Card
For Questions 1-800-423-4343
General Assistance
For Technical Assistance 1-877-660-1151
For Support with a Lost/Stolen Card or Identity Theft 1-800-423-4343 TTY: 1-800-367-8997
Outside the U.S., Call Collect 904-448-8661
Servicio al cliente en español 1-800-947-9100
Internet Security Specialists 1-888-285-9696
Mailing Addresses
Send Payments to: AT&T Universal Card, PO Box 9001037 Louisville, KY  40290-1037
Overnight Delivery/Express Payments Mailing Address AT&T Universal Card, Attn: Payment Department, 6716 Grade Lane, Building 9 Suite 910, Louisville, KY 40213
General Correspondence AT&T Universal Card, P.O. Box 6500, Sioux Falls, SD 57117-6500