Approximately 22% of customers who bought the iPhone on Verizon last quarter switched from another carrier, while about 23% of AT&T iPhone buyers were new to that company, according to “AppleInsider” (

The launch of the iPhone on Verizon brought fewer than 500,000 new customers to the carrier in less than two months of availability in the first quarter of calendar 2011, the article says. However, on AT&T, more than 800,000 new customers joined because of the iPhone.

Still, Verizon topped AT&T in terms of total net subscriber gain, adding 906,000 new customers, says “AppleInsider.” AT&T added 62,000 net subscribers during the same three-month period.