How do I stop delivery of directories? | National Yellow Pages Opt-Out Site

Access the site at www.yellowpagesoptout.com.
Register providing all required information including a valid phone number.
You will receive an email containing a temporary password and link to the site.
Use the link to return to the site and make directory choices or opt-out of all directories. You can stop delivery by choosing “0” or increase delivery up to “3” directories in some cases.
Submit your selections.
Receive a confirmation email for your records.