Go [link|http://www.junkbusters.com/declare.html|here], fill out the forms, and print out everything (plain character printer works best -- courier 10 or 12 point (don't recall which) if not). Mail them.

I did that this summer.

Nobody calls me any more.

That's a lie. I've had two calls. One from Marriott, who wanted to sell me a hotel room, I called back on their penny to get off their list and ask how I'd landed on it (several stays in the past few years), and an automated dialer/message (already illegal) selling me time shares. That's in over six months. For the most part, what I got back were letters from the major services saying "OK, we'll take you off our list for (usually 1-3 years) but will add more time (usually 3-5) if you write back. I took them up on their offer.

I get no junk mail other than the 3rd class circs the US Anthrax Postal Service says they have to deliver. The Junkbuster site includes a "pornographic materials" release you can fill out and turn in to get those stopped as well. Legit. I never bothered but likely will.

Incidentally, one of the worst sources of junk mail lists is USAPS change-of-address forms. The [link|http://www.usps.com/ncsc/addressservices/moveupdate/changeaddress.htm|NCOA database] is bought monthly by every major marketing company in existence.