I called the number back and they told me that the number I called from was not on their list (I didn't call them back on my cell), but I was able to enter my cell phone number to have it removed from their list-said to allow 7 business days for my number to be removed, so we'll see!
I called the number back and it first gives you the option to opt out then tells you about the great benefits you get with your subscription??? Daily prizes, etc. then gives you opt out again.