It seems that this number has become active again after nearly a two year hiatus.
Back in 2010, it was used to deliver a screed against the U.S. Patient Protection and Affordable Care Act (aka "Obamacare"). As mentioned in the earlier comment (from August 2010), the caller asked him to press 1 to sign a petition against the Act.
Today, this number is being used by the "Independent Survey Group" to conduct a prize pitch scam ("free cruise") disguised as a political survey. The same scam is also being conducted from several phone numbers. If you have room in your call block list, you could add these: