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Contact us by phone.

1-877-274-8640

Mon-Fri 8:00 am - 11:00 pm ET
Sat 9:00 am - 7:00 pm ET
Sun 9:00 am - 7:00 pm ET

Additional Phone Numbers

Technical Assistance
1-877-274-8640
For TTY: Use 711 or other Relay Service
Outside the U.S., Canada and Puerto Rico, Phone Number
1-423-477-6512

Citi Cards

P.O. Box 6403
Sioux Falls, SD 57117-6403

Contact us by mail.

Payment Addresses

Citi Cards Payments
PO Box 70602
Philadelphia, PA 19176-0602

Citi Cards
Overnight Delivery/Express Payments
Attn: Consumer Payment Dept.
400 White Clay Center Drive
Newark, DE 19711