The Braille on the sign outside Councilman Fielding Milton's door contains two errors. First, the number sign should only appear once, not three times. Second, the number in Braille is 202, not 206.
During the press conference it sounds like Ben Wyatt refers to the reporter as "Dad".
However, since the reporter Ben is addressing is named "Tadnork Sprummith" (played by Darin Toonder, per IMDb Cast page), he is most assuredly saying "Tad" and not "Dad".