Ive just placed a larger advert in the Yell book, and have been offered the same. I turned down the number for the very same reason as I dont want to end up with number confusion, esp if I decide to pull the ad next year.
SEO optimised website ??? Im top on Google anyway for free, why pay more……but try telling that to the marketing muppets at Yell…………"but Sir, we will get you top of the Yell listings"