To report a lost or stolen debit card associated with Merchants National Bank, it is important to act swiftly to protect your account. Merchants National Bank has a dedicated process for reporting such incidents. Generally, you would need to log into your online banking account or access the bank's official website to find specific contact information for reporting lost or stolen cards. Typically, there is a customer service number you can call for immediate assistance. Once you reach out to them, they will guide you through the process of securing your account, which may include blocking the card and issuing a new one. Reporting a lost or stolen debit card promptly minimizes the risk of unauthorized transactions. Be sure to keep notes of any communication or reference numbers provided during the process for your records. For the most accurate and detailed information, visiting the current web page of Merchants National Bank is advisable.