Directories

Directories

DEX: Yellow Pages

DEX: White Pages

Switchboard

Area Codes and Zip Codes

National Address Server

Associations and Societies

Internet Public Library
A collection of over 1100 Internet sites providing information about a wide variety of professional and trade associations, cultural and art organizations, political parties and advocacy groups, labor unions, academic societies, and research institutions.

Guidestar
A guide to over 40,000 American non-profit organizations.

Scholarly Societies Project
A directory of over 1100 professional societies in the United States. The list can be browsed alphabetically or by any of 39 subjects.