"Google says there's no such organization as "Survey Sampling," in Utah or anywhere else, so these people lie from the start."
I can understand everyone's ire with these calls, but misinformation isn't going to help. I googled "survey sampling" and the first result came up with the company (and a Utah area code):
How "they can do" what? Here is the FTC FAQ page which the DNCR site repeatedly invited you to read before you registered your numbers. Please note that non-sales callers are exempt.
National Do Not Call Registry Q&A
http://www.consumer.ftc.gov/articles/0108-national-do-not-call-registry