Most AT&T users will need a transfer PIN if they wish to move their account or a line to a new carrier. Here's how you can find your PIN in MyAT&T.

If you're moving from Metro by T-Mobile to another carrier, you'll need your transfer PIN to port your number. Here's where it's located ...

Have a Motorola phone? Want to make it more secure? This secret PIN Scramble feature lets you do precisely that.