
Cardmember Service
Our 24/7 U.S.—based Cardmember Service can help you.
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Call us
Have questions about your statement or payments? Need to report a lost or stolen card?
Call us toll-free:
866-845-3079 (we accept relay calls)International collect:
701-461-2543 -
Email us
For detailed questions about your account, you’ll need to log into your account so that we can authenticate that you are the card owner.
- Log in to your account
- Click "Messages" in the header
- Click "Send A Secure Message"
- Provide subject and message
- Click "Send Message"
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Mail us
You can write us anytime at:
Cardmember Customer Service
P.O. Box 6354
Fargo, North Dakota 58125-6354Mail Payments:
Cardmember Service
P.O. Box 790408
St. Louis, MO 63179-0408Overnight Address:
Cardmember Payments- 790408
824 N 11th Street
St. Louis, MO 63101-1016