You can search on Google with the same question, you will get the proper guide. Also go through the link - http://en.wikipedia.org/wiki/Yellow_Pages
Yellow Pages refers to a telephone directory of businesses, categorized according to the product or service provided. As the name suggests, such directories were originally printed on yellow paper, as opposed to white pages for non-commercial listings. The traditional term Yellow Pages is now also applied to online directories of businesses
They almost got me. I had already started entering my info when my better judgement kicked in. That is some kind of spam/ripoff/virus installing/credit card stealing website. You should warn people when you post questionable links.
Just like real life Yellow Pages there are yellow pages for the internet as well. These include listing with a telephone number and a physical address and the sort.