Yet another credit card interest rate reduction scam. Robo-Julie offering 6%! Careful - don't give these people any info, they'll use your credit card until you're maxed out and on to the next person. I called it back and got a fast busy.

Robocall from Card Services to unlisted do-not-call mobile phone.  Blocked future calls and reported to FTC

Robocall offering 6.99% interest rate credit card.