Contact Us

Our 24/7 U.S.-based Cardmember Service can help you with:

  • Questions about your statement or payments.
  • Reporting a lost or stolen card.

  • Call Us

    Toll-free:
    1-800-328-4850 (we accept relay calls)

    International Collect:
    701-461-0390

  • 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.

    1. Log in to your account
    2. Click "Messages" in the header
    3. Click "Send A Secure Message"
    4. Provide subject and message
    5. Click "Send Message"

  • Mail Us

    You can write us anytime at:
    Cardmember Customer Service


    Mail Payments:
    Cardmember Service
    P.O. Box 790408
    St. Louis, MO 63179-0408


    Overnight Address:
    Cardmember Payments- 790408
    824 N 11th Street
    St. Louis, MO 63101-1016