Mobile Tracker is to locate a user no, type the 10 digit no to get the user location, service provider and signalling. This website service is free to use for any no of request. Note: 1. The Entire Mobile_number directory is not released because of privacy concern, so it is not possible to find the user name and address. 2. With Mobile number portability in place, the no could have moved to some other operator, Please check.