I'm going to have to agree with meg1212 on this one.
I'm sorry, but I find it very hard to believe he would ever give his number to a fan he doesnt even know. It would NEVER stop ringing! I can only imagine the mayhem that would have caused, lol. He probably would have to change his number.
As for the comment made under his "number", the first three digits of a number is the area code. In this case, it's 707 (is that even the area code for whatever part of CA he lives in?). It changes depending on where you live. Like, my old area code was 313-###-####. Then I moved, and now I have a new one. Im not sure how that works in other countries though... (I live in the US. Are there any non Americans here? Idk..)
So. I just realized Im rambling. A lot. I'm stopping now xD
Trust me guys he doesn't give his number away to anyone but his really close friends so don't bother trying to figure it out but there are many different area codes in ca so he is a popular person he needs his privacy