Who called from 5082034012

I got a phone call from this nubmer on 12/11 at 2:57pm and when I said hello no one responded!  I hung up

Got a call from that number today, he asked for my sister. I said she wasn't home and asked to take a message and he said, "uhhh" and hung up.

Ignored. Added to blocked list. caller reports unknowns

Auto extended warranty I susiect. Call block didn't work as I call fwd

This caller was rude when I asked for their company they slammed the phone down.  They repeatedly call my home.