Number: RL33488
Title: Changing Postal ZIP Code Boundaries
Authors: Wendy Ginsberg, Government and Finance Division 
Abstract: This report explains why ZIP Code boundaries often are not aligned with geographic political jurisdiction boundaries, describes the kinds of problems that occur because of the misalignment, and discusses efforts by the U.S. Postal Service (USPS) and Congress to address these problems.
Pages: 9
Date: Updated May 13, 2008