AT&T's Prepaid and business accounts don't need a transfer PIN. Contact AT&T to follow the process for those accounts. How do I get an AT&T PIN right away? Source: Holafly The easiest way to get a new AT&T PIN is through the AT&T app. If you don't have the app, there are ...
(The following instructions are for switching from AT&T Wireless; if you’re on AT&T Prepaid, there are different instructions to follow to transfer your number to Mint.) Make sure your AT&T account is still active until the number transfers over to Mint. If you cancel your AT&T account ...