Mobile Number Tracker - Please Note:This app can detect mobile numbers from Indian mobiles by using codes.
Are you getting calls from unknown number? Do you want to find from where that person is calling? Now you can use Mobile Number Tracker to find from which state/telecom operator a mobile number belongs to. It shows caller info during incoming call. You can also view the details of mobile number in the call log.
The MNP ported numbers are not traceable by the app.