You'll need your AT&T Wireless transfer PIN to keep your old number when switching from AT&T to another carrier. You don't need this number when you change your phone number with AT&T. This guide ...

The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

Before switching to AT&T, there are some important questions to ask yourself. What kind of coverage will you have in your area? Are you looking to bring over your current device or buy a new one? What ...