It looks like it is a good thing to make contact and ask for what you want, even if you are addressed as Resident on your snail mail ads. View my posting of October 23, 2009 to see what I am referring to.
I received a personal email back from Trader Joe's today:
We appreciate your request. We will add you to our remove list today.
Please understand that you may receive one last mailing to your address.
We appreciate your patience while we process your request.