<P> The National Do Not Call Registry is a database maintained by the United States federal government , listing the telephone numbers of individuals and families who have requested that telemarketers not contact them . Certain callers are required by federal law to respect this request . Separate laws and regulations apply to robocalls in the United States . </P>
what is the purpose of the national do not call registry
listing the telephone numbers of individuals and families who have requested that telemarketers not contact them