Can you even tell if a call is coming from verizon? AIUI, in the US, mobile numbers look like any other phone number. (here, each mobile carrier got an 08X pref

Can you even tell if a call is coming from verizon? AIUI, in the US, mobile numbers look like any other phone number. (here, each mobile carrier got an 08X prefix where the X was exclusive to them. But you can port numbers instantly, so that only tells you where they started.)