Our Sioux Falls drive-up is open 8:30 a.m. - 4:30 p.m. and the lobby is temporarily closed. Click here for more information.
News, Announcements and Happenings at Cornerstone
Sioux Falls Bank Closed Wednesday, August 5
Our Sioux Falls location has been deep cleaned and sanitized and our drive-up is open 8:30 a.m. - 4...Read more
Cyber Security Webinar - POSTPONED
Due to unexpected circumstances, our Cyber Security webinars originally scheduled for July 29 have...Read more
Introducing SecureAlerts
Our real-time account alerts are here! If you liked our old account alerts, then you are going to...Read more
Melby named Bismarck Market President, Hauff named Executive Vice President
Cornerstone Bank is proud to announce Kristine Melby as the Bismarck Market President. Melby not...Read more
Home Equity Lines of Credit: What Are They And How Do They Work?
Benefit of a Home Equity Line of Credit: Flexibility What is a Home Equity Line of Credit (HELOC)?...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.
