I've just got it today, supposedly from T-Mobile:
Dear Customer,
T-Mobile has determined that unauthorized access to some T-Mobile data
has occurred. We have no evidence that your debit/credit card
information was compromised. We take protection of our customers
seriously and we are taking action to protect your T-Mobile account.
Effective August 18, 2021, we have reset your account PIN to a randomly
generated number. Since your wireless product does not receive text
messages or our text message failed, you will need to contact our
Customer Care team at
1-877-778-2106 to reset this PIN to your preferred
6-digit code.
--------------------------------
I get suspicious about such impersonal emails and I am still able to
access my T-Mobile account with a web browser, but I don't need any PIN
for that. Besides, where would I need a PIN besides Voice Mail? I don't
even remember ever having one.
As I am in Europe right now where I use a local SIM card instead of my
T-Mo card, I am not surprised nobody could reach me through my T-Mo
number and the local phone co. would charge me an arm & leg for a call
to the US or even for receiving one. I do turn on my T-Mo SIM card once
a month though for a few days when I expect T-Mo text messages reminding
me about my monthly subscription.