evidence: Can you get "hacked" by calling a number? I am curious if calling the number would do something to my phone. How could a hacker possibly access sensitive information just by tricking someone into calling. [...] - If you call them, the spammer can find out if that phone number is owned by an actual person. The spammer can also easily fake the same area code as you, and set up a clever social engineering trick that may involve you thinking with the wrong head.