It's very hard to tell whether they are real or scammers.
So assume that they are trying to phish for information.
Big question is that they call and never leave a message.
Alarm #1. They always represent many firms and banks.
Alarm #2. They call people who don't have accounts with
the banks they supposedly represent. Alarm #3. And they
always call constantly and never ever leave a message.
And they want people to call them and not the bank?
Just assume that these are crooks. Also, this is
a relatively newly established number. So, again,