I have not answered but they have called me alot today too.

Market research.

This number has called my phone at least 8 times a day - I answered the first time they called and the male caller told me my electricity bill was overdue - I called him a lying scammer and hung up - has persisted for over 2 weeks but I just hit the red button after 4 rings on the hope they'll just give up - When you call the number back it goes straight to a female Australian voice message saying to contact levitateenquiries @ gmail.com that hangs up after.

spam

Didn't answer because it comes up as unknown so I let it go to messagebank but they didn't leave a message.