Mobile phone number, even completely unfamiliar, not just a set of random numbers. To determine the mobile operator of the subscriber, as well as the possible region, from where the call was made, modern person will spend a few minutes. For this, there are no longer needed thick telephone directories, it is enough to have a computer with internet access.
You may not even have to refer to search engines - most of the DEF codes (three first digits of the mobile phone number) are distributed between mobile giants: MTS - 910-919, 980-989; Beeline - 903, 905, 906, 909, 960-968; MegaFon - 920-928, 930-938, also 929 and 997. Waving to learn something about the caller, you can go to the page of one of online services. Some of them can provide data only mobile operators of Russiaothers have an extensive database of phone codes all countries. Different and ways to search for phone numbers and display information. You can see a list of DEF codes in the form of a table, classifiers by country, regions and cities, and finally, just a search string in which you want to enter a mobile operator code, a number or part of it. For example, on the site mTT.ru. There are convenient filters to search, and the data is easy to save as a file.To get the necessary information, carefully enter a mobile phone number. And be careful - do not download software from those sites that you do not trust.