In AT&T’s 4th quarter results, they have announced that 1.9 million iPhone 3Gs were activated.  About 40% of these activations were new customers, indicating that about 760,000 people switched to AT&T just because of the iPhone.  In the last half of 2008, AT&T activated about 4.3 million iPhones.  iPhone customers also deliver the highest revenue per user for the telecommunications company.

AT&T’s 4th quarter net income was $2.4 billion, down from $3.1 billion one year ago.  AT&T also added that their earnings were hit by the iPhone 3G initiative which involved ramping up their 3G networks.  This year, AT&T made about $12.9 billion in net income on revenue of $124 billion.

Revenue for AT&T competitor Verizon Wireless was about $24.6 billion in the 4th quarter.