T-Mobile is offering a free line to some users. Here's how you can check your eligibility, plus some more tips and tricks before accepting.

Although there's a pretty good chance you already have a phone number on your smartphone, your primary number assigned by your carrier isn't your only option for calling and texting. There are ...

A new BOGO promotion has kicked off. T-Mobile BOGO promotions are special code-based offers that let you add two lines while only paying for one. The deal is aimed at existing customers as a way to ...