AT&T customers now can manage bill payments directly from their iPhone. AT&T today announced the mobile edition of its popular service through www.att.com used today by millions of AT&T customers, AT&T myWireless Mobile application, on the Apple App Store.

The app’s functions include:

• Bill and Pay: View monthly bill and make one-touch payments
• Voice and Data Usage: View all voice, data and text messages usage
• Features: Browse and manage bolt-on features

This app [iTunes link] is available for free from Apple’s App Store on iPhone 3G or at www.itunes.com/appstore/. You could use your existing myWireless service account via att.com to access Mywireless app on your iPhone.

[via SlashGear]