National Do Not Call Registry Jump over the navigation menu directly to the content. Visually Impaired? Try the toll free number 1-888-382-1222. Registry Home Register A Phone Number Verify A Registration Delete A Registration More Information En Español File A Complaint Privacy and Security WHAT YOU SHOULD KNOW ABOUT THE NATIONAL DO NOT CALL REGISTRY Most telemarketers cannot call your telephone number if it is in the National Do Not Call Registry. You can register your home and mobile phone numbers for free. Your registration will be effective for five years. If you register Most telemarketers must stop calling and...