Who called from 3074592990

Company calls several times a day on my cellphone but never leaves messages. Have texted to stop calls, but they continue.  Calls began after I foolishly provided my cellphone number when completing an online survey through facebook with a reward of a $100 Starbucks giftcard. I'm old enough to know better! Gave up on survey before completed because it went on and on and on.  Now I have no gift card and annoying phone calls. Ugh.

They continue to call and when asked what it is about they hang up.Told my wife it was courtesy call.

no msg left

What crap. Just called me and said they were from class media, bla bla bla $100 gift card.
Didn't get a chance to even talk, until the last and i said "Not Interested". He said thaks and hung up.
This number calls again and I'm dropping the "F" bomb over and over.

This is crazy -- at all times of day or night I get calls from this psycho.  -- And nobody ever speaks. I will not answer again.