Who called from 6475575019

Called me  here in BC at 9:30 a.m. Did not answer as I didn't recognize number.  No message left.

They don't leave messages, and when you call back to have your number removed, they say the "Survey is closed, if you want to be removed press 9"  so I did four days in a row.
now when they call, I text them 10 times in a row for each call to remove my number - still getting calls though

Called at 9:46 BC Time. Feb 13, 2014

They called twice on my cell this week.  once with this number and then 647-557-4953

They called here, but I didn't answer.  It said unknown and I didn't recognize it, so no answer.