As Sprint did with ESN swaps, they have removed all charges for checking your airtime balance over the phone. Calling *4 (or *5 for Spanish), will no longer use airtime minutes.
Browse: Home / *4 Now Free
Christopher Price is the Founding Editor of PhoneNews.com. Today, he leads the team building Console, Inc. – a new kind of Android™ device. He still likes to pontificate… a lot. You can visit his personal blog at ChristopherPrice.net.