Why are some telephone numbers not correct?
Answer:   This is a simple answer if you refer again to the answer above.
It’s either that or it’s a typo. Believe it or not, about 5%-15% of the
information we receive from people buying products they expect delivered is incorrect.

Here are a few more reasons:
Some people don’t want phone calls initially. They would rather have initial communication
through the Internet and email first.
Some others deliberately change their phone numbers as they get a bit “skittish” while
filling out the forms on line.

You can find some correct phone numbers by going to:

Sites like this will help you find the correct phone numbers of many people.
The little extra work may prove worthwhile.