Directories

General

• AllPages.com

  A national "yellow pages" directory of the USA

• Anywho

  Toll-free, Yellow/ White Pages and Reverse Directory

• AreaCodeLocations

  Area code lookup site for all of North America.

• Dex Knows - Yellow pages online

  Search for business, residential, government information & toll-free numbers.

• Infobel - International phone directory

  International directories to more than 216 countries

• InfoSpace

  Yellow/white pages, public records, with links to people in entertainment, finance, health, etc.

• Internet 800 Directory

  Online yellow pages for locating a product, service, company name & toll-free number.

• NumberWay Index

  NumberWay Index to International phone directories

• People Search by ZabaSearch

  Free People Search and Public Information Search Engine. 

• Reverse & Cross Reference Directories by Langenberg

  An "all-directories-in-one" web site.

• Switchboard

  U.S. white & yellow pages

• U.S. Postal Service Zipcode Lookup

  U.S. Postal Service Zip code lookup.

• Zoominfo

  This directory offers the searcher the ability to complete a profile citing current and true information about oneself. Contains more than twenty-five million dossiers based on publicly accessible Web-based information.

Website Directories

• Best Free Reference Websites

  This is an index of the web sites included in the 1999-2011 annual lists issued by the MARS Best Free Reference Web Sites Committee of the MARS: Emerging Technologies in Reference Section of the Reference and User Services Association (RUSA) of ALA to recognize outstanding reference sites on the World Wide Web.

• DMOZ - Open Directory Project

  The Open Directory Project is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast, global community of volunteer editors. 

• So Much

  SoMuch.com is a free link directory where you can find the best human edited links (to websites) sorted by topic and category.

• Social Media Websites

  Directory of the Best Social Media & Professional Networking Websites.

• Technorati

  Blog directory.  Includes a list of the top 100 most influential bloggers.