Hey, magenta4227830!! Sorry we left you hanging here. If you're the Primary Account holder on the account, you can suspend a line on MyT-Mobile by following the steps outlined here: Suspend or restore your line. Otherwise, we'll need you to give us a quick shout over the phone or to our T-Force team on Twitter or FB, and we'll get you taken care of -- Contact Us.
Please let us know if you have any other questions!
Manage your T-Mobile account