IATA 10623900 belongs to Global Travel Int. which is a phanton agency that sells the use of it's #'s to people that pay them a membership fee. They are NOT a true agency which basically means that this is for the most part a scam. Part of their marketing is that the use of the #s can earn the users discounts on their own travel.
IATA number 00212440 has expedia.com
Maazda Travel
travel today
Tourico
10677586
ba.com
Ebates
World Choice Travel
AAA Travel Agency
It comes back as an invalid number.
Flight Centre
Cathay Pacific