Automated message to "lower your credit rates" as others reported. I pressed 1 as there was no option to remove my number from their list. Actually got transferred to a live person.
Me: Please take me off of your list, this is a cell phone
(Woman with American accent): No.
Me: No?
Woman: No.
Me: I'm sorry, are you refusing to take me off of your call list?
Woman: [Hangs Up]