I answered this one.  A robot tells you its the last day to lower your credit card interest rate.  I then pressed one to speak to a representative.  He didn't know my name.  He said he represented capitol one, chase, and some other companies.  I asked him to take me off his call list.  He tried to explain that he worked for my credit card company.  I asked him what account number he had on file that qualified for a lower rate.  He said my visa.  I don't have a Visa.  I requested a second time to be put on a do not call list.  He called me a stupid guy and hung up.  I'm guessing its a phishing scam to get social security numbers and mothers maiden names so they can open up cards under your name.  Do not give them anything.