AnyWho  
   Phone numbers and addresses for persons and businesses in the United States. Includes links to directories for other countries.
   http://www.anywho.com/

Switchboard  
   United States residential and business listings.
   http://www.switchboard.com/

WhoWhere  
   Interactive name and address search allows you to add your own listing.
   http://www.whowhere.lycos.com/

InfoUSA  
   Nationwide directory assistance for individuals or businesses,
   http://www.infousa.com/

All Nations Telephone Search Engine  
   Dialing codes calling to and from countries of the world. Includes links to embassy information and index of directories.
   http://www.escapeartist.com/global/telephone.htm

Infobel  
   International residence and business listings for most countries. Offered in multiple languages.
   http://www.infobel.com/

140Online  
   Directory of telephone numbers for companies and individuals in Egypt.
   http://www.140online.com/

Email Address Finder  
   Searches for email addresses, phone numbers, white pages, yellow pages and links to major directories.
   http://www.allemailaddresses.com/

411 Information  
   Search for people and businesses in the white and yellow pages.
   http://www.411.info

Apni Directory  
   Indo-Canadian directory serving the Okanagan region of British Columbia.
   http://www.apnidirectory.com/

SmartPages.com  
   Contains personal and business listings, city guides, and shopping guides from SBC Communications.
   http://www.smartpages.com/

SuperPages.com  
   Search for United States people or businesses, or browse by category. Includes consumer guides, city pages, and super topics.
   http://www.superpages.com/

Jay Computer Services  
   Zip codes, cities, states, counties, area codes, and time zones. Do zip code proximity calculations. Extensive area code change information.
   http://nt.jcsm.com/

International Numbering Plans  
   International dialing codes and numbering plans.
   http://www.numberingplans.com/

Phonenumber.com  
   Phone numbers and addresses for people and businesses.
   http://www.phonenumber.com/

McPayphone  
   List of payphone numbers with locations.
   http://www.geocities.com/bootzilla00/

Search Detective Reverse Phone Lookup  
   Provides free reverse telephone directory access for locating people online including reverse phone number, address and email lookup search directories.
   http://www.searchdetective.net/

InfoSpace  
   United States white and yellow page listings. Includes links to directories for other countries.
   http://www.infospace.com/

GeoPortals.com, Inc.  
   Online guide to finding a person, business, location, or information: yellowpages, whitepages, people locator services, reference guides.
   http://finder.geoportals.com/

Zip and Area Code Directory  
   Look up US postal zip codes, telephone area codes, and associated city names.
   http://www.horizon-realty.us/whrzipar.htm