Car warranty... Calls several times a day, won't take me off the list

Received call while at work so didn't answer.

wierd and annoying i want it to stop i have recieved over thirty calls in one hour! what can i do about it ? how can I make it stop?

Commonwealth collection trying to collect $8000 that by brother owes from his crack days.

Received a call from a very big loser.

Undesirable types, usually businesses with no real purpose other than to harass others, use this number to appear legit. Go to babytel, get a softphone, then you can simply block these types and never hear from them again. And they are too stupid to adjust their tactics, i.e. they just keep assuming that they are effective.