PHONE NUMBER EXPERT Coupons & Promo Codes is a division of PPLS, Inc. and is one of the nation`s leading providers of vanity telephone number marketing services. We have helped companies from all over the country improve response rates and increase the effectiveness of marketing and advertising through our easy-to-remember phone numbers. Companies that range in size from sole proprietors to Fortune 1000 companies have put their trust in us—and the results speak for themselves.