If you look up the number 562-392-9900 you will get the information needed about the problems with this number. I think they have changed the phone number they are using. It shows up on the call display as 213-629-4019. If you call the number back a recording comes on saying the number has been disconnected or no longer in service.
They are very persistant in trying to get information.
They usually call every day.

We are receiving numerous phone calls a day from this number also and get the same recording when we try to call them back.  The recording is that the number is no longer in service.

We are getting numerous phone calls a day from this number - 213-629-4019.  When you call their number - the message is that this number is no longer in service...what gives with that???

Got a call from this number trying to reach the head of our I.T. department.  Called back twice.  Pretty persistent.