To open a mailing list removal letter, state very clearly that you want to be removed from the mailing list. If this request is not sufficient for removing my name or those of my listed family members, please notify me promptly of any other procedures I need to follow.To opt out permanently: Go to optoutprescreen. Com or call 1-888-5-OPT-OUT (1-888-567-8688) to start the process. In cases where the list is lengthy, then a list can be prepared on a separate sheet marked Exhibit "A" and the words "see Exhibit "A" attached. Contact the Direct Marketing Association to be removed from many companies' mass marketing mailing lists for up to five years. Step 2 — Fill out Forms. Click on any of the tabs below to find answers to your most frequently asked questions. If you are unable to find the answer, please call our office.