Use this sample letter to be removed from any marketing mailing list. Use this guide to create the perfect opt-out letter.To opt out permanently: Go to optoutprescreen. Com or call 1-888-5-OPT-OUT (1-888-567-8688) to start the process. 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. In there somewhere is a mailing address where you can send a physical letter requesting to be removed from unsolicited offers. In your letter, include your full name and address, along with your request to be removed from their mailing list. Telemarketing Calls. There are a couple of ways to get your name taken off political campaigns' directmailing lists. But one way works better.