Data Driven, Direct Mail Marketing made easy. Data Modeling, Creative Design and Printing experts. Huge Databases of Consumer Records. Lowest Cost per Sale. There is no self-service opt-out form. You must email [email protected] (or call 1-800-313-1873, or write to their O'Fallon, MO address) to request deletion, correction, or opt-out of targeted advertising/sales. They will ask for information to verify your identity, confirm receipt within 10 business days, and aim to respond within 45 days. Note that deleting your data may make it harder to verify vehicle warranty or service-contract coverage later.