TMobile does have some spots where there is less than perfect service, other than that it's solid
I remember being at about 7000 feet at the Mid Mountain Lodge in Park City Mountain. I was gladly sending heavy snow vids to my family and friends. At&t Roaming since my phone is from Central America.
Verizon signal was very good.
Verizon reception is reliable, I'm able to track all my skiing and mountain bike activities on Strava, send text messages and send and receive calls without any issues.
TMobile, US Cellular, and Sprint do not have service concerns.
You should have a signal pretty much anywhere you go at Park City.
I usually have no problem with service out there
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