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 ...

Here's the situation.<BR><BR>I'm currently with Sprint PCS. I recently lost my phone. I have three months left on the contract.<BR><BR>I'd like to move to Cingular to get a different type of phone and ...