Subject Portal » Directories: Telephone, Zip Code, & Email
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Databases A-Z:
Other:
Comprehensive Directories:
SuperPages.com
Online edition of Verizon Yellow Pages. Lists over 11 million businesses in the United States. Updated monthly.
Switchboard.com
Free residential and business directory; Switchboard's names
are compiled from published white pages directories and other
publicly-available sources.
WhitePages.com
Locate area codes, zip codes, international calling codes, name and address by phone number, phone number by entering address and business listings. One of the largest directory services on the web.
Infobel World Telephone Directories
Directory of Yellow Pages, White Pages, business directories, email addresses and fax listings from over 170 countries.
Zip Code and Postal Directories:
National address server
"Given a valid U.S. postal address, this server attempts to
rewrite the address in the proper format along with the ZIP 4 code. If
it is successful, you can retrieve a Postscript or a GIF file of the
address for printing, with a barcode! You can also view a street map of
the address, from 2 different Internet map sites (MapBlast and
MapQuest)."--Home page.
ZIP code lookup
Provides the zip 4 code for any U.S. address given. Formed by the union of many individual state directories.