Names and numbers on their own are incredibly valuable.
Names and numbers that you know exactly the demographic they come from, are gold mines.
I can tell you that some run of the mill name and number can easily be worth $1.
Gauging the fact that he assumes their target audience is rich (which I doubt this is the case), we at least know it is a very specific type of people. This is as close to texas tea as it gets for telemarketers.