institution codes
http://www.ets.org/Media/Tests/TOEFL/pd ... t_inst.pdf
department codes http://www.ets.org/Media/Tests/TOEFL/pd ... tcodes.pdf
一整份2005-2006(如果不想分開來看,可以參照下列網址)
http://www.ets.org/Media/Tests/TOEFL/pd ... packet.pdf
資料來源: ETS website