Non-Published Number / Unlisted Number Search by NonPubs.com
http://www.nonpubs.com/index.php
How Can I Identify a Non-Published Number?
http://www.nonpubs.com/index.php?entry=entry080601-151233
The number you have called 123456789 has been changed to a non-published number.
Non Published Listing:
This prevents your number from being listed in the directory assistance (411) and in the phone book.
Is there a free service where I can find one non-published telephone number? There should not be any.