T-Mobile released preliminary fourth quarter and full-year 2020 results yesterday that highlighted postpaid net additions of 5.5 million customers for the year. This represents the highest increase in postpaid customers in the company’s history. T-Mobile (TMUS) expanded its 5G network leadership and now reaches 280 million people. The company surpassed its aggressive goal to cover 100 million Americans with Ultra Capacity 5G’s super-fast speeds by the end of 2020, reporting that 106 million Americans now have access to its 5G capabilities. In comparison, Verizon’s Ultra Wideband 5G only covers 2 million people, which further underlines T-Mobile’s dominance in the 5G environment.