Repeated calls to my cell phone and no message left on voice mail

They call asking for my grandmother and have called three nights in a row after being told that we do not want additional calls to this number under the Fair Debt Collection Practices Act.  They continue to call and are extremely rude.  They are calling my home number not my grandmothers.

They keep on calling and calling.
I have made my payments to credit cards so....!

Also called home number 3 times in a row.  First time it was a recording asking me to hold on for a moment, so I hung up.  Second time, I said nothing and it was a man asking for Jonathan.  I told him no one lives here by that name.  When he asked for that person, I realized that he was from some company reading my name incorrectly off of a call-list.  He did not say that he was representing any company but just said, "okay" and then I hung up.  The third time, I did not hear anything, but right as I was clicking the end call button, a woman's voice started to say something - not sure if it was another recording or if an actual person.

I have also been receiving the calls - at home - at work - on my cell.  I do not owe the money, and I have proven it.  It was only 30 days past due, and they were harrassing me.  they even called me at work which I have already requested that they do not do.  I have filed a complaint with the Georgia Attorney General and have issued an official letter requesting that they no longer contact me by phone.