Add a line to your account.


Get the most out of your plan when you add a line for friends and family. The more lines you add, the less you pay per line.

Buy a new phone.

Shop for a new phone, see your phone plan cost, and check out device protection.

Bring a phone.

First, see if the phone is compatible with our network. Then, get a T‑Mobile SIM card, and view your new plan cost.

Connect a smartwatch.

Shop for a new wearable, add an eligible line, and add device protection.

Save more when you trade in a phone.

First, find out how much the trade-in is worth. Then, purchase a new phone and send us your trade-in. You'll get money back that can go toward your monthly bill.

Take the next step.

Add a line in person.

Manage online activity with FamilyMode®