There are several online ways to find a person's location by cell phone number. Some of these methods have been used in an online service developed by mrspyer https://mrspyer.com/track-location-with-phone-number/ . This provides us with enough information to search for both a smartphone and an ordinary pushbutton cell phone.
Method #1: The approximate location of your cell phone can be established by sending an HLR-request to it via SMS-center. Such a request allows you to get information about the location of the switch (not the phone), in whose range the phone is used, as well as information about its status (the device is on or off at the time of checking).
How does it work? The database home location registry (home location registry or HLR) contains information about all subscribers assigned to it. Finding a subscriber in one of the HLR, the network redirects the call to the associated switching center (Mobile switching center or MSC), which in turn requests information from the Guest Location Register (VLR), which contains data on the last base station to which the cell phone was connected. Then the base station controller (Base station controller or BSC) communicates with the base stations within the transmitted LAC, and the call is sent to the desired cell (Cell-ID or CID).
The disadvantage of this method: HLR-query will give us a very approximate location of the phone and its owner - just the name of the city or region. And even after getting such data you can't be 100% sure that the device is located in the specified area. The peculiarities of the construction of each operator's telephone networks. Therefore, no matter what city the phone is checked, an entirely different situation is found in most European countries, where switchboards are installed in all regional centers and major cities. Such a strict network contributes to obtaining accurate information about the cities, which in turn allows you to organize control over the movement of any cell phone between them. Get information about the activity of the phone number and the region of its registration.
Method #2: The location of a smart phone - smartphone, just like a computer, can be established through the establishment and analysis of its IP address. The sniffer will help to detect the IP address of the device, and the data obtained can be checked by services for checking domains and IP addresses. Generate the sniffer, send it to the device we want to track and receive its IP address in response. Checking the IP address allows us to identify the city in which the checked gadget is located.
The disadvantage of this method: Currently, none of the aforementioned services has an absolutely reliable and maximally complete database of IP location. So, even in this case there is a chance that you won't get the exact information. Determine phone's location by its IP-address.
Method #3. You can determine phone's location also by means of technologies HTML5 Geolocation. Such modern technologies are used for geo identification of visitors of Internet resources and users of mobile applications. How does it work? Suppose you downloaded Pokemon Go to your smartphone. For the needs of the game, the program will certainly ask for your consent to establish your exact location. And if consent is obtained, then every 5 seconds the app will request and transmit your mobile device's location data to its server.
Next, HTML5 Geolocation will attempt to establish your device's location using one of the following methods. The first method calculates your position based on relative proximity to a single cellular tower (LBS). The second method uses the GPS receiver, found on all modern phones, to get your exact position. The third method establishes the location of a device connected to a public wi-fi network based on a publicly available map of wi-fi router locations. Finally, the fourth method identifies the location by IP address, no different from method #2 above. Determine the exact location of your cell phone via the Internet.
Source: https://mrspyer.com/
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