Addresses and Phone numbers

Switchboard -- 120 million US listings; incl. e-mail addresses; uses InfoUSA; used by AltaVista

Infospace -- 100 million US listings, 16 million US yellow page listings, 200 million European listings;

incl. reverse directory, fax, e-mail, partial name search;

used by Metacrawler, MSN, Netscape, AOL

Lycos -- 90+ million US listings; incl. email addresses, partial name search;

used by MCI, US West Dex, Ziff-Davis, Mindspring

Anywho -- 90+ million US listings; incl. reverse directory, partial name search, web address, fax;

used by Excite, Webcrawler, Infoseek.

Yahoo

Worldpages -- US and Canadian white & yellow pages, e-mail addresses, etc.

WhoWhere User Search  -- incl. genealogy, maps

Four11 User Search

Search for Area Codes at Bucknell U.: search by area code or by major city

800-business directory

AT&T 800 Number Directory

Airline 800 Telephone Numbers at Princeton U.

U.S. Yellow (telephone) pages

THOR+: The Virtual Reference Desk - Zip Codes

JewishGen site, "Seek and you shall find" - (great for phone directories, zip codes, 800 numbers) 

Companies

Guide to Computer Vendors - Presented by SBA * Consulting

THOR+: The Virtual Reference Desk - Phone Books and Email Directories at Purdue U.

University of Texas Collection - uses CSO, Netfind, X-500

Notre Dame Collection

HotBot

Internet Resources MegaIndex

Prof. Ursula Hoffmann 3/99