Keeps calling and leaves no mesage.

Received call on home phone - no one there, no response.  I called back and it went immediately to a voicemail option asking "If you want to be placed on our Do Not Call list, please dial 1 now."  Still not knowing the source of the call I held on, then it hung up.  Some type of scam, just don't know who's breaking the law on this one (we are on the FTC Do Not Call list).

Call originated from Detroit.  Displayed as such on caller ID.  I did not answer. I called back and pressed one to be removed from the call list.  Interesting...that was the only option when you call back.

Then they called back a few days later and caller ID displays "Unknown Name."  I answered and was told to press zero to connect with a representative to determine eligibility on a lower Duke Energy rate.  A rep comes on the line wanting to know if I had my electric bill available and I replied, "I want to know who is calling me."  He mumbled some  "........assistance."  I asked to be removed from their calling list.

I'm tired of my 86 year old mother getting these calls.  Please stop.

I've called back this number and have requested to be put on their Do Not Call list by pressing "1" at least three different times. Still receiving a call every day. What happened to the National Do Not Call list?!