
Close behind was AT&T which got 757 points from the company, but just three-stars from its subscribers.
Verizon and Sprint's scores were not available, but the companies only got three and two stars, respectively.
The points work as follows: If a customer is so loyal he refuses to switch carriers, he will be given 827 points. Someone who is actively thinking of changing carriers or is thinking of doing so, normally gets 602 points.
T-Mobile scored very high in the phone support category.
