Former Bank of the Cascades Clients:

If you haven’t already, be sure to update the phone number for First Interstate Bank’s Client Contact Center (1-855-342-3400). The phone numbers previously used to access Bank of the Cascades’ Customer Support Center will not work as of March 6, 2018.

Report Lost or Stolen Card

To report a lost or stolen card, select your card and call the number provided. Please have your card number handy. You can find this number on an existing statement.

Select Your Card

Service Number Hours
Customer Support (MT, WY and SD) 855-342-3400 M-F, 7:30am-7:00pm MST and Sat 10:00am-2:00pm MST
Customer Support (ID, WA, and OR) 855-342-3400 M-F, 7:30am-7:00pm MST and Sat 10:00am-2:00pm MST
Lost/Stolen Debit Card 800-342-6599 24-Hour Number
Service Number Hours
Customer Support 866-496-6183 24 Hour Number
After Hours Support 866-496-6183 24 Hour Number
Fraud Service 866-496-6183 24 Hour Number
Lost/Stolen Credit Cards 866-496-6183 24 Hour Number
Service Number Hours
Customer Support 888-833-3454 24 Hour Number
Card Activation 800-456-6870 24 Hour Number
Service Number Hours
Customer Support 888-833-3453 24 Hour Number
Card Activation 866-333-4761 24 Hour Number