Are there any providers out there that accept to see young guys (age 20) instead of the older gentlemen crowd.

regional board.

I prefer them... just personal taste.

... and when you speak to her make sure you come off as a mature individual not playing games.  Don't be offended if some girls brush you off because of age.  I rarely see younger guys, mostly my preferance.  The ones I have seen, I only saw because they were serious and mature.  If you come off as a guy who knows what he wants and is respectful, you shouldn't have any problems.