T-Mobile has a new achievement with its Ultra Capacity 5G. The Un-carrier recently announced that it had achieved its goal to cover 300 million people with 5G UC. The best part is that this was achieved months ahead of schedule since the goal was to achieve this by the end of the year. Thanks ...
T-Mobile’s Ultra Capacity 5G Now Covers 330 Million People
No, it does not.
According to both T-Mobile and the article you linked T-Mobile's 5G Ultra Capacity covers 300 million people while T-Mobile's overall 5G network (which includes the much slower and longer range 5G Extended Range) covers 330 million people.
300 million Americans now covered by Ultra Capacity 5G, achieving the year-end goal more than two months ahead of schedule, while the total 5G network covers more than 330 million people (98% of Americans)