Dark Angels

I have this feeling weather its connected to my dreams or if its just a paranoia feeling. I keep having this feeling I'm being watched. And to top it off I got a phone call last night and this guy clearly knew more about me than he should using a name that I went by that I hadn't used for almost two years. He knew what I was going to be doing later that day and that's when I hung up (he never told me who he was). So I *67 it and I got a pay phone on the west side. I'm not sure what to do.