Don't Annoy Me . They notify more than 1500 telemarketing companies to leave you alone. Private Citizen, Inc. web site. There are a few thousand members. Address is not provided to telemarketers and phone number is not sent to mailers.
Many companies simply ignore the list.
Also, many companies are not members of the associations and some DMA member companies will simply ignore the list completely. For instance, the telemarketing list requires address. This list is then sold to thousands of marketers at a very inexpensive rate. Marketers, who may not have had any information about you, will now have your name, address, and telephone number. Except where noted you must sign and mail the completed forms.