Of course it does.

When you make something easier to do, the effect is it increases the chance of people doing it.

If your contact information is listed in a telephone book, it is publicly accessible information. Anyone can look that up. But who's going to do that? (to prank call you for example). But if some posts your info to a twitter account that reaches millions, chances are someone's going to call you. Why? Because popped up in millions of peoples' twitter feeds. And since it's so low effort, one or more people with nothing better to do will call.