Who called from 3122731274

They called me twice, no message sent and when I called back it says the number is out of service.

who is this number

I just got a call from this number; no message.

Just got a call from this number.  I didn't answer it and no message left.

Yep, just got one today (-3/03/14)  It is a computer call and I love to play with those and ask them questions.  They then disconnect.  I dont know what they are selling but when you dial the number back you get "this number is not in service"recording.  Anybody know who the company is?