To report a lost or stolen card associated with City County Credit Union, customers should take immediate action to protect their account and financial information. It is advisable to check the current web page for the specific contact information or procedures established by City County Credit Union for reporting such incidents. Typically, financial institutions provide a dedicated hotline or an online method to report card loss or theft, ensuring that the customer's account can be secured promptly. In addition to reporting the loss, customers may want to review recent transactions for any unauthorized activity and take further steps to secure their overall account. Always remember that acting quickly can help mitigate any potential losses related to a lost or stolen card.