who's been trying to get ahold of me?

someone has been trying to get ahold of me lately and they've been using a cell phone number. i know this because it reads a cell phone number on my caller id. when i tried to call them back yesterday it gave me an answering machine message saying that some "asshole" was trying to reach me and couldn't get ahold of me and i got a message saying that the caller that i was trying to call today (when i got the call from a different cell phone call today) wasn't taking phone calls. someone is trying to get ahold of me and i kind of would like to know who it is, probably just because i'm bored and this just adds a little highlight to my sad unthrilling life.