Online: www.dmaconsumers.org
By Mail:
Mail Preference Service
Attn: Dept: 12851374
Direct Marketing Association
P.O. Box 282
Carmel NY 10512
Online: www.donotcall.gov
Phone: 1-888-382-1222; TTY 1-866-290-4236
Phone: 1-888-567-8688