REI Co-op Mastercard® Contact Info

Phone Cardmember Service

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

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

REI Co-op World Mastercard
CALL: 1-877-734-6060
Outside the United States:
1-701-461-0147 (call collect)

REI Co-op Platinum Mastercard
CALL: 1-877-734-8742
Outside the United States:
1-701-461-2932 (call collect)


For detailed questions about your account, you’ll need to log into Online Banking so that we can authenticate that you are the card owner.

  1. Log into Online Banking.
  2. Under the “Customer Service” tab, select “Contact Us”.
  3. Email us your questions.


You can write us anytime at:

Cardmember Customer Service
P.O. Box 6351
Fargo, ND 58125-6351


If your card is lost or stolen