Telephone & Reverse Directories

Anywho.com

Lists residential and business phone numbers. Includes reverse lookup by phone number.

Canada/USA Local Calling Guide

Identify a location by its area code and local phone exchange (the first 3 digits of the phone number). In reverse, this site will give the area code and local exchanges for a location.

InfoSpace

Reverse directory searching by phone numbers and addresses for businesses and individuals using the yellow and white pages. Contains listings for several countries such as Canada, United Kingdom, Italy, Germany, France. Additional searches possible for available e-mail addresses, and other miscellaneous subjects.

International Directories

Maintained by Kapitol Inc., this site provides links to more than 50 directories available in 40 countries.

Long Distance Area Decoder

This handy device will give you the appropriate country, city or area code for dialing locales in the U. S. and Canada. You can search for locale by area code and vice versa.

Mexican Postal Codes

Servicio Postal Mexicano. The site is in Spanish.

Phonenet UK

British Telecommunications provides this telephone lookup for people and businesses (this includes public authorities) in the United Kingdom. For both searches you must provide a name and an area of the United Kingdom to search in. Only entries in the printed phonebooks are included here.

Yellow Pages Directory

Find a business, person or get map directions.

Zip & Postal Codes

Canadian Postal Codes

You can look up the postal code for street addresses, rural addresses and post office boxes and find the address ranges for a given postal code. The information on this site is updated monthly.

Community Information by Zip Code

Beginning with “zip code basics”, this site provides information on population, education, health, environment, business and political statistics by entering a zip code. Selected areas nationwide are covered with a section for sources on the Los Angeles area only.

International Zip Codes

 

Postcodes Online

The Royal Mail puts up this page to help you locate the Postcodes for any address in the United Kingdom. There is also an "address finder" for locating an address when one only has the postcode.

ZIP Code Lookup and Address Information

US Zip Code information from the proverbial horse's mouth (the US Postal Service). You can look up the Zip + 4 code for any address, or enter a city and state to see all Zip Codes associated with that city.

Business Directories

The European Business Directory  

Maintained by Euredit, this page serves mainly companies in European communities who wish to trade beyond their national borders. The directory lists 150,000 selected companies from 25 countries.

Hoover's Online

Lists both private and public companies. Information includes financial data, and key personnel.

International Company Directory

Links to international company listings, directories and yellow pages.

Internet 800 Search

The Internet 800 Directory covers all toll-free telephone numbers, not just those provided by AT&T. Companies are listed by business category, company name, state, and 800 number.

Medical Directories

American Hospital Directory

Comparative data for most hospitals.

AMA Physicians Select

Licensed U.S. physicians by name (limited by state), specialty or condition.

Best Hospital Finder

Ranks top hospitals by areas, name, specialty.

Dental Board of California

Verify current dental license status.

 

Dentist Directory

Directory of Dentist throughout the United States.

Medical Board of California

Includes licensed physicians and indicates possible types of disciplinary actions against them with names/numbers to contact for further information.