Are you an AT&T subscriber who wants to see how many minutes are left on your calling plan? Here is a quick and easy way to get that information sent right to your iPhone.
You can check the number of minutes remaining by accessing the Phone app and dialing: *646# and pressing Call. You’ll see a message stating the information is sent to you in a text message. Once you receive the text message, it will look something like this:
As you can see, in this example there are 765 anytime minutes remaining, unlimited night and mobile-to-mobile minutes, and a whopping 9,182 rollover minutes. On 11/6/11 733 rollover minutes are scheduled to expire..