AnyWho is a free directory service with residential, business, and government white and yellow page listings.

SuperPages.com is the leading online Yellow Pages directory service with millions of business and residential listings nationwide. Here you can find yellow pages phone listings, directions, online shopping sites, maps, and addresses for local or national businesses.

Telephone Directory: Internet Yellow Pages, Internet White Pages - You can find what is generally regarded as the best phone book online at Switchboard.com. Online maps, reverse phone number search and more.

YellowPages.com provides US yellow pages and international yellow pages. It is a comprehensive online yellow pages, white pages, phone book and business telephone directory containing more than 14 million US business listings.