Please read

in. Center of Manhattan. I get FAR from perfect coverage because of
the buildings. Nothing is win/win.

Wisconsin has about 1.8% of the US population, which means it is about
average, since the average state has 2%.

However, the population is most likely concentrated in the urban
areas. They would put more towers in the country if more people were
added to the country. Towers are expensive. They need to justify the
expense.

Have you ever looked at the map many providers have on their websites?
There are vast areas in the US that aren't covered.

There can be other reasons. My mom lived in a very populated area in
NJ, but the community she lived in voted against having a tower for
esthetic reasons. So, even though the area was densely populated,
cell phone coverage was very poor.

It's not just a matter of building towers. First of all they are
expensive. T-Mobile is going to want to know they will be able to
recoup their costs by getting additional customers. The other issue
is that some areas don't want more towers built. They are unsightly
and some people are convinced they are a health risk.

Are there other carriers with towers in these rural areas? If so, it
might be better to ask T-Mobile to enter into agreements with those
carriers to use their towers.

Personally I would love to see T-Mobile place more towers in the areas
surrounding Cleveland...eastern, western regions and suburbs. I can
get a phone call through 45 miles away to my sister who lives in
another county but cannot call the local hospital which is less than
25 miles away. Go figure.

Now when you be a little more specific. Country areas is very vuage.
Every cell phone company does not have coverage everywhere despite
what you see on tv. If a given area only has a population of 100 or
less in a 5 mile radius, the chance of having coverage is slim to
none. Unless is near a highway or tourist spot. Each tower to be built
roughly costs about 250,000 to be built and not to mention the upkeep
costs and what they have to pay the land owner each month to have it
there. I near by resident who has a farm ontop of a hill over my home
city has one in his farm from att and they pay him about 8,000 a year
to have it there. So depending on how many people are there you might
not get one. If you would like service to be improved, have yourself
and everyone you know with tmo call and say hey I spend time in these
spots xyz and not getting coverage, they will file a service request
for it and the more of those that are in tmo might plan to get
coverage there if there are many requests for it rather then none.
While not a direct resolution might help coverage seeker. Good day