subject: Directory of Cell Phone Numbers [print this page] Directory of Cell Phone Numbers It is difficult to find out the owner of a mobile phone number even with the aid of reverse cell phone directories. Details of mobile phone users are not available officially. The only possible way is to find it out from the data base of mobile service providers. But the telephone numbers of cell phone users are not that listed in reverse cell phone directories also. However, there are some directories of mobile phone numbers that are available online and are very reliable. The telephone numbers of landlines are officially available while those of cell numbers are not. But the directory of cell numbers available at service providers of reverse cell phone look up now makes the job easy. The services are available online and all you need is to register with the site of the service provider. After registration you can enter the telephone number you are searching for and wait. With in a few minutes all the details of the mobile number user will be available on your computer screen. These data are often collected by phone companies who gather the information from publicly accessible directories or data base of mobile service providers. There are some reverse cell phone directories which provide mobile number details ranging from name and address. Before going to try searching any of the sites make sure that the particular website you choose have both landline numbers and mobile phone numbers. This is necessary especially when you are registering with a paid service provider. Directories of cell phone numbers are mostly not available with free service providers. Hence when ever you are in need of mobile phone reverse look up it is better to go for paid sites than free sites.