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Zip Code Lookup (USPS)
From the US Postal Service. Enter street address and get the zip code. You can also search by city, by company, and find all cities in a zip code.
Pittsburgh & Southwestern Pennsylvania
HUNT MAPS-3 912.7488 P692 (Map Case)
1 map ; 107 x 82 cm. "The ZIP code numbers, names, and boundaries are up-to-date with all known changes through November 1, 1996."
National Telephone Directories
Leadership Connect (formerly Leadership Library) This link opens in a new window
Finds executives in corporations and financial institutions, government, associations, non-profits, law firms, judicial and foreign representatives, and the media.
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).
Directories for businesses and persons
Carnegie Mellon Directories
Carnegie Mellon Directory
Information obtained from the Carnegie Mellon Directory may not be used to provide addresses for mailings to students, faculty, or staff. This directory is provided for information of the Carnegie Mellon community and those who have specific interest in reaching individual students, faculty, or staff. Any solicitation of business, information, contributions or other responses from individuals listed in this publication by mail, telephone, or other means is forbidden.
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