How are strangers getting my cell phone number

So yet again another stranger randomly called my cell the other day.
if you havent heard of the first time this happend let me fill you in

*ring* *looks at the clock. 7am on a saturday*
Me: Hello?
Guy: Hey uh. How are the roads?
Me: Uhm........Good?...
Guy: Really?
Me: Uh...yeah?,....Who is this?
Guy: is this not *insert my cell number here ( i dont want more creepos calling me)*
Me: yeah it is...
Guy: Where do you live
Me: Uhm....Dalmeny
Guy: Oh haha. This is supposed to be my onstar number...sorry, maybe ill try dialing a 1 before.


And yesterday


*ring*
Me: hello?
Guy: Hey uh....did someone call me at 7
Me: Uhm........Who is this?
Guy: Who is this?
Me: what....well maybe my brother called
Guy: Whos your brother?
Me: Scott anderson?
Guy: Scott anderson?
Me: yeah
Guy: Well whos family is this?
Me: the ...ANDERSONS
Guy: Oh...ok bye



what the crap! Stop giving out my number you guys. haha