Unlisted phone numbers are very hard to search out. This is because the details of the owners of such numbers, just as their name implies, are unlisted due to some laws that were created some years back. Unlisted phone numbers are also known are unpublished or non-published numbers. All this is to show that the numbers are supposed to be kept away from public directories where all other phone numbers such as toll free numbers and land phone numbers may be found. reverse phone search Unpublished telephone numbers are mostly cell telephone numbers are they are kept away from the public for privacy reasons. This is to help reduce the activities of prank callers and stalkers around our airspace. Also, important people like celebrities and politicians may request that their telephone numbers be kept unlisted and away from the public listings for security purposes. A good example of public listing or directory is the yellow or white page on which one may find phone numbers and the owner of such numbers. Most of the time, the telephone numbers included in yellow and white pages belong to business places and this is to help to direct customers to their business locations. However, unlisted phone numbers are not listed in such pages and as such a free unlisted telephone number search may be hard to do. You can try the search engines but they really hold no guarantee of delivery. The best way therefore to doing unlisted telephone number search, which may not be free, is via the reverse phone lookup sites. I am not saying there are no free unlisted phone number search sites out there on the internet but I cannot guarantee the authenticity of such sites. Reverse telephone number sites are reliable and authentic but they require a token fee which is charged as access fees. A reputable reverse telephone number lookup site is updated almost everyday to add up newest telephone number registrations to the database. This is very easy since they have affiliations with almost all the phone companies in the country. Becoming a member gives you the access to making unlimited searches within the database and ever search will return results that include the name of the owner of the unlisted phone number as well as the address of the owner. To find the details of the owners of unlisted numbers on the paid services, you will be asked to pay a free ranging from $15-$20 per search.