They called again and my mom picked up, luckily I was home and told her to hang up and I finally said mom hang up it's a scam.

The lady said my parents name and then said I'm calling on behalf of comcast.  We hung up then.

Right after that another number came up as +1 800-860-0412.  On the caller id it says 800 number.

This is getting agitating, because I've been getting a lot of these calls.

I received a call from the Duct Cleaning company. A man with a south asian accent is always the one who calls. recently he has started calling from the number (647) 478-3163

They called me this morning and I didn't pick up. When I called back, it's always busy.

I got a call from this number last night around 8:31PM and they did not leave a message
Also from a (416) 847-4999 at 8:35PM

recieved a call from this  number today at around 7:26pm on march 3 2009. I picked up pwas saying hello, however the person that was on the other end said nothing, but i could hear them breathing on the line...kinda dumb. These ppl need a life.

The reason you are unable to call back is that each of these callers is actually caller from a real number but they are Primus customers, so their real number actually gets re-routed through one of many Primus main numbers.

My father has Primus and whenever he calls me the caller ID shows one of the many Primus numbers, usually I get (416) 646-3601, but I have also seen others.

So basically if you signed up with Primus today as your phone provider you too could make calls randomly to people and they would get a Primus # on their call display.

It is so frustrating and Primus should not be allowed to mask the caller ID number.