Contact Information

To contact our ThankYou® Service Center you can give us a call at the appropriate phone number
below or write our Service Center.

ThankYou Service Center


Monday to Friday,
8 a.m. to 1 a.m. ET

Saturday and Sunday,
9 a.m. to 9 p.m. ET

Select Option 2 to get to

Citi ThankYou® Rewards

Outside the U.S. (Call Collect)

TDD/TTY for the Hearing

ThankYou Service Center Correspondence

ThankYou Service Center

P.O. BOX 6278

Sioux Falls, SD 57117

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Top FAQs

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