Harvard Directory

Listing of U.S. colleges and universities

People and businesses
AT&T Directories
A great all-around resource. It includes Yellow Pages, White Pages, toll-free search, and reverse lookup.

www.BigYellow.com
17 million business listings, 10 million e-mail addresses, and links to directories for 70 countries.

Whitepages
Look up area codes by number or location.

International directories
International country codes and city codes
Includes helpful instructions on International Direct Dialing (IDD) and National Direct Dialing (NDD).

AT&T Country & City Codes

International Yellow Pages
Search for people and businesses, by country.

Zip code information
United States Postal Service Zip Code information

Maps
Mapquest.com

University of Texas Perry-Castaneda Library Map Collection