Who called from 4254121472

I received 2 calls on my cell, 2 days in a row. I did not answer, and there was no message. Same number both times. Couldn't find any info about the number.

Number has been calling 3xs per day every day for a week. Who the hell is this?

So did you ever find out who this is?

Called Performance Collection. Spoke to Chad(?). Firmly told him don't call again... We'll see what happens.