I couldn't imgaine that it would be a problem. But good luck. I have been to "HQ" in Forest Hills and I don't have any idea where anyone is in that buliding. I would definately call in advance before showing up in NY. Only because if you are going to go thru all that effort, you would want to make sure you got to meet someone face to face. Heck, you might be able to track down a chief at the airport with a little luck.
Update your online application often and go to the next open house.
Update your online application often and go to the next open house.