You will need
  • The mobile phone number. Access to the Internet.
Find a website, these web pages on the Internet is in the public domain, where there is service of search of the subscriber's mobile phone number.
Follow step by step instructions which are stated on this website to begin searching for the owner of any cell numbers, and run the search.
Wait until the search is finished. To get the result, check. Call that number and ask, isn't this person called a little while ago.