In the U.S., phone subscribers for landline services can have their names excluded from the directory by paying a small amount of fee. Also known as ‘Your Listing Not Published’, this service can cost you around eighty cents to more than a dollar for residential customers. On the other hand, mobile phone numbers are less likely to be delisted since mobile phone service providers have their own separated database.
As mobile phones continue to gain popularity, there has been a discussion as to whether it is possible to release mobile phone numbers to reverse phone number directories and the public 411. On the other hand, this idea was comprehensively opposed by consumer protection organizations led by Consumers Union. They presented a number of privacy related issues during the congressional testimony when S. 1963, "Wireless 411 Privacy Act" 9 - 2004 was discussed.
To date, mobile phone numbers are currently unavailable from reverse phone number directories or from any public 411. But there are companies involved in information service industry offer reverse cell phone search of which the information is derived from various utility resources which are available online. And since there is no centralized databank for mobile phone numbers, reverse phone search service directories that claim to offer free reverse search service are not capable of returning any information with regards to mobile phone numbers.
In a while, web based services provide interested consumers with reverse telephone directory from known telemarketers and other companies that are in directs contact with consumers through telephone. To those who are interested to subscribe in their services can easily lookup any telephone numbers that will show up in their caller IDs to discover the true identity behind the caller.
As internet technology continues to improve, performing a reverse phone search has become a lot easier and more convenient. There are lots of websites that offer this type of service which will allow you obtain information regarding a particular phone number at the click of your mouse.