There are situations when a person notices on your mobile missed call from unknown caller, so I wanted to find out who called by phone number. In this case, let's see which figures is the room of a stranger. In the beginning it will be three digits indicate the code of the operator, and it is possible to find out what city you called. This code can be entered at any Internet search engine and obtain information about the operator, and the approximate locality.
You can try to enter in a search engine from the entire room. Possible, data on its owner are available in one online database. Currently, there are special sites and forums, which either provides information about the suspicious numbers, or specialists in the field of mobile services is helping the needy to figure out the identity of the caller. Here the important thing is not to trust the first comer and to apply only to trusted people with real reviews.
In that case, if the number of likely registered in your city or region, feel free to call him with your primary or secondary SIM card (for security purposes) and require the caller to introduce themselves and to inform about the purpose of their calls. Maybe someone just made a mistake, but sometimes no one responds or immediately hangs up upon hearing the demanding voice. Some try to talk the person trying to involve him in a fraudulent situation. Do not enter any tricks, and immediately report the incident to the police.
If you need to find out who was calling by phone, but the room itself is hidden, please contact the salon for your carrier or call customer support. The options are as follows: you can connect a special option that the calling number identification restriction of the interlocutor does not work, and the next time you call you will see his number; another option is to ask the operator to block this number that will prevent any attempts of scammers to reach you.
Have on hand all of the rooms of their relatives, friends and employees of institutions and companies, where you are (banks, shops, etc.). Now divorced many scams that specifically desire rooms, similar to those that often call people, and then themselves call him with them, trying to "dissolve" in the money. Even if you say that someone you know is in trouble, first contact that person or their family before you provide any assistance to a stranger-caller.