Telephone Directories

U.S. Residential & Business Directories
Anywho: Find people, businesses, 800 numbers, or reverse lookups
Infospace
Lycos
Switchboard
Telephone Area Code Finder
Ultimate Whitepages
Yellow Pages

International Telephone Directories
Infobel: White & Yellow pages for western Europe

Professional Directories
Lawyers: Martindale
Physicians: American Medical Association
Findlaw: West Legal Directory

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