Just rec'd a call too. Says Johnny Martinez for the number. Rec'd a 'disconnected' message, however it sounded like it was a faked recording (i.e. message of a real recording).
I got a lot of hang-ups (no message) from this guy (806-647-0443). I answered it just now and spoke with him. I can't remember verbatim what he said, but something about the federal government and lower rates on credit cards, and he asked me if I pay off my credit card balance every month. I (stupidly) answered yes, that I do, and then he said "Thank you have a nice day". I just realized that by doing that, I revealed that I have a credit card, although I didn't give him any details about it. Now I'm anxious that he's an identity thief or will try and open a credit card in my name or something like that. I don't understand what he was after.
I just got a call as well. Same kind of story -- offered lower interest rates. Asked if I carry balance of $5K or more. I (also stupidly) said no. These scammers are really getting on my nerves !