To opt out permanently: Go to optoutprescreen. Com or call 1-888-5-OPT-OUT (1-888-567-8688) to start the process.Contact the customer service departments of the companies that send you unwanted mail, and ask that they remove you from their mailing list. In there somewhere is a mailing address where you can send a physical letter requesting to be removed from unsolicited offers. 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. Contact the company and request that your address be taken off the mailing list. Adhere to this straightforward guide to edit Sample Letter for Opt-Out - Direct Mailing List in PDF format online at no cost. Are you having a problem with a business? File a complaint with the Attorney General's Office (AGO). This letter is to notify you that we continue to receive unwelcome, unsolicited mail from your business.