News, Announcements and Happenings at Cornerstone

COVID-19 Update

In an effort to keep our customers, team members, and communities safe and healthy, our bank...Read more

Lost or Stolen Checks or Card?

If your checks or debit card are lost or stolen, please report it immediately to Cornerstone Bank at 701-364-9630 or 888-297-2100. To report a lost or stolen debit card after hours, please call 800-472-3272. To activate or change your PIN, please call 800-992-3808. If you have MasterCard questions while traveling, please call 877-253-8964. If you have questions about your MasterCard benefits, please call 800-MASTERCARD (800-627-8372). Click here for debit card FAQ.

Reorder ChecksVisit Money iQ, our Fraud Prevention & Financial Education Center