Finally cleaning out my saved voice mails, and I found that I had more than a few calls from these scammers. The calls from "Alert" started in August 2013 from 7085294734. I only hear the end of the robocall in my VM, which says "Press 5 to be transferred to one of our friendly representatives".
Caller ID Phone number Date
Alert 7085294734 Aug 26, 2013
Alert 7085294734 Sep 18, 2013
ENERGY BILL 8475928794 Nov 11, 2013
ENERGY BILL 8475928794 Nov 13, 2013
ENERGY BILL 8475928794 Nov 18, 2013
CAUTION 7085294728 Nov 22, 2013
ENERGY BILL 8475928794 Nov 22, 2013
ENERGY BILL 8475928794 Nov 26, 2013
SERVICE CUSTOME 7085710690 Dec 30, 2013
SERVICE CUSTOME 7085710690 Jan 3, 2014
SERVICE CUSTOME 7085710690 Jan 10, 2014
ENERGY SERVICE 7085294767 Apr 16, 2014
SERVE POWER 7085710612 Jun 10, 2014
CUSTOMER CARE 7085294712 Aug 5, 2014
CUSTOMER CARE 7085294712 Aug 29, 2014
ENERGY SERVICE 7085294697 Oct 7, 2014
CUSTOMER CARE 8475928547 Oct 28, 2014
ENERGY SERVICE 8475928798 Dec 4, 2014
These seem like they were probably the same scammers. (224) is local Chicago suburban area code, like 708 and 847. However, no message was left.
POWER DIVISION 2242553379 Dec 5, 2013
POWER DIVISION 2242553379 Dec 11, 2013