They called once two days ago, once yesterday, both of which I missed. Another call this morning I told the lady I wasn't interested.  Afternoon they called again but I missed it, then another call around 4pm. I picked up the last one but they immediately hung up.

it's actually not the interstate one they've been getting calls because of this post and the people identify themselves as national dealer not interstate national dealers. No idea  who it is I can't find out who the number belongs to but its a scam but its not the specific company

We received five calls in the past three days.  Ignored them at first, but got tired of it and picked-up and got individual asking about extended warranty on our 2008 automobile.  Told him we were not interested and we didn't have a business relationship with him and not to call again.  Of course, they called again and I told them I was reporting them to the FTC and he hung up.  Filed a complaint with the FTC, but they don't investigate complaints unless they see a pattern.  From the other posts it looks like this one warrants an investigation.

Receive  1 - 4 calls a day from 484-589-5678.  No one on other end when we answered. Tried to call back,  unable to.  Very annoying &  scary

Annoying  this kind of company want to steal money from people only offering stupid warranties .congress should makes laws against those kind of company's to protect US people