Yes, I agree. I've been looking for work myself, and between all the unwanted calls and emais, it takes longer to get rid of those, then to seach the sites for acutal jobs.
This number has been calling been everyday too and I just googled it to see if I could find where it was coming from and i found many people have been called by this number. I still don't know what it is though. I don't have anything in collections so I don't think it is a collector. Maybe I will answer it next time.