This number claims to be NZ Spark and threatens to cut off phone and internet services. This is a scam and is being run by internet scammers who have somehow taken it over. (I do not use Spark as my phone or internet provider)
Phone Spam Filter is a free service designed to assist the general public in determining which callers are annoying telemarketers. Our goal is to develop a complete database of all the phone solicitors out there, so you can stop receiving calls trying to sell you products and services.