Well did you know that it is actually pretty easy to find out who a phone number belongs to with something called a "reverse phone number lookup
A reverse phone number lookup is a service where you can search a phone number to trace a caller back to the phone owner's billing name and address. You simply enter a phone number to search to find out the name and address of who the number belongs to. However not all reverse phone lookups are the same and may provide you more or less information about a phone number and person.
Some free reverse phone lookups online only let you search residential numbers and will only give you the name and address of who a phone number belongs to. While other reverse lookups let you search any type of phone number including those for businesses and cellular phones.
You would actually be surprised at the vast amount of information you can find out about a person with just their phone number. There are also reverse phone lookups like Name From Number
which give you access to court records and background reports as well. And some of the information in those background reports can be pretty revealing and even shocking.