Received 2 calls, one at 4:10 AM and the  next at 4:40 am.

They have my cell phone number and don't leave a message.  when you call back the auto attendant says hello if you know your parties 4 digit extension dial now or you will be disconnected.

I wish they would stop calling!

Received a voice message from an "Adele" with a "Support Program".

I was to call her back at a toll free #800-850-3430.  

"Adele" gave no extension number (in reference to "busted's" entry listed above dated April 28, 2011.)
So, I guess it would be useless to return the call if all I got is a robotic answering device, asking for an extension!

Its a # for E-Pass.  which is a co pay assistance fund to help you pay co pays for your treatment meds like Exjade for Iron Overload.  I work for an org that works for them.