Who called from 9713730141

caller id says DUMMYCOURSE no message  they hung up when I answered

Just got the same phone call. Who knows, I didn't answer!

Just got the same phone call. I didn't answer. Who are these jerks?

I just got a phone call from DUMMYCOURSES.  no idea who they are!

Just got a call from this number said they wanted to talk to me about my credit card went on to say that everything was OK with but they wanted to talk to me about reducing my interest rate.  This is where I hung up,  it was recorded message.