Phonefinder Harassment Robot Calls

I really don't know where Phonefinder got my numbers from but their robotic calls have gotten out of hand, no matter how many times I block their numbers they keep on calling with a new number. Everyday I receive no less than 3 calls from them, even in the evenings with no option to opt out. I have had to write an email to Popiacomplaints this evening. This is now harassment