I tried to sign into an old, unused, billpay account for quicken, and a security window came up with two phone numbers that I don't have. It was terrifying. They gave me a phone number to call. After being on hold for fifteen minutes and simultaneously googling, I found an explanation that these phone numbers are EXAMPLE or SAMPLE phone numbers because I must have put in the wrong userid.
So I hung up. It was a terrifying experience. Here's the page.