Congressional District

The Congressional District - ZIP Code Database catalogs nearly 42,000 USPS-defined ZIP Codes and counties within the boundaries of each state’s congressional districts. It represents real-world combinations, indicating whether a ZIP Code crosses a district boundary, and includes a file with comprehensive contact information for all members of Congress. Use this data to aid in targeted mailings for campaigns by identifying ZIP Codes within desired districts. Look at documentation [here](https://docs.melissa.com/reference-data/congressional-district/congressional-district-data-layout.html)! Tables included: - Full Format Version (ALLFILES) - Concise Format Version (CDDRANGE) - Congressional Membership Crosswalk File (CDLIST) - Exception File (XXCDIST) - State FIPS (STFIPS) - MSA/PMSA (MSAPMSA) - Congressional District ZIP Code Database (CDZ) Fields included: - State FIPS - Congressional District - ZIP - Type - City - State Code - County - FIPS - Percent - MSA/PMSA

搜集汇总

背景与挑战

背景概述

该数据集收录了美国近4.2万个邮政编码与国会选区的对应关系，包含选区边界交叉信息和国会成员联系方式。它通过多个表格和字段支持邮政编码的精确定位，主要用于竞选活动中的定向邮件投递。