What I found out is that you cannot really block cell phone calls.  And no matter if you report them on this site, haven't even seen any company going after these stupid jerks.  Am also on "Do Not Call List."  This doesn't do anything for us either.

AGAIN, called on Saturday at 9:15AM. Of course I still blocked them FOREVER!!

213-426-1021 ...about 6 or 7 messages over the last few months. Always same message, a burst of sound like music, then a man saying "hello? Hello?"  And that's it.

So the scammers have got themselves a new number.  How original.  You block one, they come right back with another one.  It never ends.

Here we are again, you and I and several others who have reported.  Area codes, 213, 562, 323, even 714 should probably be avoided.