The Do Not Call list works fine, exactly as it was set up to do, which is to stop legitimate telemarketers from calling you. If you are on the DNC and you get a telemarketing call, you can be assured it's a scammer, probably from overseas where US laws have essentially no influence. Criminals are law-breakers. Hang out here in this web site: read through a few threads and learn how and wny these calls are happening and how to avoid them (i.e., never answer an unknown number.) You can also revisit the DNC web site and read about how it works and how it cannot work.