Another way you can try locating the name behind the number is by using Google as your phone book search tool:
Type the number on Google (555-555-5555, 555 555 5555 etc..) and try also to include any of the following combinations: "phone", "cell", "number", "my phone", "my cell", "my number" "my mobile" "my cellular phone" "tracking mobile phone" etc.. You may get lucky and find the owner that way.
Some people aren’t afraid scattering their private information all over the web.
If you discovered that the number in question is
a mobile number, you should know that finding out private
information such as full name and up-to-date address about the
caller – will not be available online free of charge.
The top companies that offer professional databases invested millions to accumulate gigantic databases of mobile phone numbers – since records of that kind are not considered as public records and thus you'll need to pay a fee in order to get a reverse premium report about a cell phone number.
Before you decide to pay a fee, try to run a free reverse area code Trace to spot the city/state where the unknown caller is located.
This information can sometimes help you recall who owns this cell phone number – without the need for a premium reverse mobile trace report.