T-Mobile 5G network coverage map: which cities are covered?

Latest update: September 27th. T-Mobile is still awaiting regulatory approval on the Sprint merger. 

T-Mobile has quickly grown to have one of the fastest and most widespread 4G LTE networks in the US, and it wants to blanket the nation with 5G coverage as well. To do that, it argues that it needs extra power that will come from a proposed merger with America's fourth largest network, Sprint, and in late 2019 that deal is still awaiting regulatory approval.

What this means is that we still don't have full clarity over the future of 5G for T-Mobile. ...