Originally Posted by
SamirD
Interesting. I've got 3x different tmobile numbers and am able to get free service on even non-tmob devices just using the phone number. At least I did when I flew last which has been a few months.
This for sure works using a phone on another provider (it does not work on laptops etc). I used a friend's number both ways on Tuesday. I have VZW. It even told me how many full flight passes they had left.