Research and Reference Resources

Telephone Numbers and Addresses

For business telephone numbers, addresses, or to locate particular businesses in an area, see also Company Research

Allpages - http://www.allpages.com (yellow pages)

Anywho Online Directory (AT&T)- http://www.anywho.com

Area Code Decoder -- http://decoder.americom.com/
Find area codes, city codes and country codes.

BigBook - http://www.bigbook.com/
Search for businesses by yellow pages.

Seeing-Stars.com's Celebrity Mailing Address Search - http://www.seeing-stars.com/Search.shtml

State of Wisconsin Online Directory (telephone and email) - http://badger.state.wi.us/sowdir/phonedir.shtml

Superpages --http://www.superpages.com (Replaced: InfoSpace.com)

Switchboard - http://www.switchboard.com

The Ultimates -- http://www.theultimates.com/
Search multiple resources at once: Infospace, Dogpile, Whitepages.com, Yahoo, Whowhere, and Switboard.

Yahoo People Search - http://people.yahoo.com

YellowPages.com -- (AT&T subsidary) http://www.yellowpages.com/
Yellow pages and search directory for major cities.

Foreign Telephone Numbers

Global Yellow Pages - http://www.globalyp.com/world.htm
Telephone directories by country.

International Dialing Codes --http://www.timeanddate.com/worldclock/dialing.html

Telephone Directories on the Web - http://www.infobel/teldir/?qsellang=EN
Lists telephone and/or fax directories on the Internet. Arranged by country.

Toll Free Numbers

Hard to Find 800 Numbers --http://www.hardtofind800numbers.com

Internet 800 Directory- http://inter800.com

National Toll Free Directory --http://www.internettollfree.com/

Sites for finding toll free numbers. Allows searches by product, service, or company name, combined with state.

Zip Codes

Free Zip Code Look Up - http://www.zipinfo.com/search/zipcode.htm
You can't use this to get an exact zip code by street address, but you can view zip codes by city, or find the longitude/latitude of a zip code (or city) here.

ZIP Code Lookup (U.S. Postal Service) - http://zip4.usps.com/zip4/welcome.jsp

 

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