"Just say no" to all telemarketers. Opt out site.

http://www.ftc.gov/bcp/edu/pubs/consumer/alerts/alt063.shtm

Unsolicited Mail, Telemarketing and Email: Where to Go to “Just Say No”

Tired of having your mailbox crammed with unsolicited mail, including pre-approved credit card applications? Fed up with getting telemarketing calls just as you’re sitting down to dinner? Fuming that your email inbox is chock-full of unsolicited advertising? The good news is that you can cut down on the number of unsolicited mailings, calls, and emails you receive by learning where to go to “just say no.”