Massachusetts Sample Letter for Cardholder's Report of Lost Credit Card Dear [Credit Card Company], I am writing to report the loss of my credit card and request immediate action to protect my account. I believe that my credit card has been lost or stolen, and I am extremely concerned about potential unauthorized charges. I am providing you with the necessary details regarding my credit card: Cardholder's Name: [Your Full Name] Credit Card Number: [Card Number] Expiration Date: [Expiration Date] Date of Loss: [Date of Loss] Last Transaction: [Last Transaction Amount and Date] I have taken the following steps to secure my financial information: 1. Contacted the local authorities — I have filed a police report to document the loss and to prevent any potential fraud or identity theft. 2. Frozen my account — I have already frozen my credit card account to prevent any further charges or unauthorized transactions. 3. Checked recent transactions — I have reviewed my recent credit card statements and identified any suspicious charges. Please take note of these transactions and investigate them promptly. I request the following actions from your end to protect my account and prevent any fraudulent activities: 1. Block the credit card — Please block my credit card immediately and prevent any further charges or transactions from taking place. 2. Issue a replacement card — I kindly request you to expedite the process of issuing a replacement credit card with a new card number and expiration date. Please ensure that the replacement card reaches my registered address as soon as possible. 3. Monitor for suspicious activities — I urge you to closely monitor my account for any unauthorized activities or transactions. If any such activities are identified, please notify me immediately. 4. Update my contact information — In case there are any updates or changes to my contact information associated with the credit card, please ensure that the updated details are linked to my account. I understand that you may require further information or documentation to process my request. Please contact me at [Your Phone Number] or [Your Email Address] for any clarification or additional information needed. I appreciate your prompt attention to this matter and your assistance in safeguarding my account. I look forward to your immediate action to mitigate any potential risks associated with the loss of my credit card. Thank you for your understanding and cooperation. Sincerely, [Your Full Name] [Your Address] [City, State, ZIP Code] [Credit Card Account Number]