Debit and Credit Card Information

Lost or Stolen Card

For lost or stolen debit cards and credit cards, please call your local branch during regular business hours. After hours, please call 1-800-528-2273 for debit cards and 1-800-325-3678 for credit cards.


You will have no liability for unauthorized transactions made using your Bank of Clarkson MasterCard® or Debit MasterCard® card. You, as the cardholder, will not be held responsible for unauthorized transactions if you have exercised reasonable care in safeguarding your card from loss or theft and, upon becoming aware of such loss or theft, you promptly report the loss or theft to us. See Mastercard’s Zero Liability Protection for more information.

MasterCard® is a registered trademark of MasterCard International Incorporated.

Contact Bank of Clarkson for additional consumer protections available under Federal Regulations to dispute transactions.