> it’s extremely rare to receive an unsolicited call to an American phone number from a number outside the +1 country code. Can't be THAT rare, can it? Isn't 1

> it’s extremely rare to receive an unsolicited call to an American phone number from a number outside the +1 country code. Can't be THAT rare, can it? Isn't 15% of the current population in the US immigrants? Most of us immigrants do receive and make calls to our "mother country" every once in a while, even introverts like me. Or maybe you were excluding immigrants in that as you mention immigrants later?