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Contact us by phone.

1-888-344-2237

Monday through Friday 9am to 8pm ET

Additional Phone Numbers

  • Technical Assistance
  • For TTY: Use 711 or other Relay Service
  • Outside the U.S., Canada and Puerto Rico, Call Collect

Contact us by mail.

Citi Cards
PO Box 7032
Sioux Falls, SD 57117-7032

Payment Addresses

Citi Cards Payments
PO Box 9001006
Louisville, KY 40290-1006

Citi Cards Overnight
Delivery/Express Payments
Attn: Consumer Payment Dept.
6716 Grade Lane
Building 9, Suite 910
Louisville, KY 40213