Where the dial pad for phred in riddle transfer?

In "Riddle Transfer," the dial pad for Phred is located in the "Riddle School" area, specifically in the room where you find Phred himself. To access the dial pad, players need to interact with the phone on the wall, which allows them to input the correct sequence of numbers to progress in the game. The dial pad is part of the puzzle-solving mechanics that players must navigate to advance the storyline.