Mobile Number Locator Tracker is a free Android app developed by Fit For All Sol. This app is categorized under Social & Communication and offers an easy way to locate mobile numbers, identify unknown calls, and block spam calls.

With this app, you can get the caller's name, STD/ISD codes, city, and state for unknown numbers offline. It also allows you to view the detailed area location and service operator name of your friends or colleagues in your contacts and recent call logs.

The app is user-friendly and easy to navigate, and it can be downloaded for free. Overall, Mobile Number Locator Tracker is a useful app for anyone looking to identify unknown calls and block spam calls.