Caller ID indicates ATT is calling.  The call is coming from Alabama, and I don't live and have never lived in this state. Caller calls from several other numbers which shows up as ATT.  These numbers are:
334-904-2578
334-270-5733
334-270-5737
334-409-2576
334-394-9901
334-274-4500
334-394-9915
334-274-4509
334-394-9912