Who called from 9802563050

Does anyone know who this is?  They called for the first time a couple of days ago and left no message.  The CID said "AA".  I assumed it was a wrong number but they called back today, again leaving no message.

I have no idea who these morons are, but they call constantly. Even on Sunday evening! Seriously? Caller id says AA. tried blocking them, but att won't block for some reason.

Keep calling. Is a recording asking "is the man or lady of the house available? Hello, are you there?"

Some idiot called just to hang up on the answering machine.