Verizon once again ranked king of the U.S. carriers

Though Verizon is not always the subject of great press, keeping almost 150 million subscribers happy at all times is quite the unenviable task. One of the reasons why it is the largest mobile carrier in the United States is that, on all-round performance, its services are difficult to match. Though T-Mobile and John Legere have made great strides in an effort to break the Verizon-AT&T duopoly, research gathered by RootMetrics has placed Big Red atop six tests on reliability, speed, data, text, calls and overall.