National ZIP+4

The National ZIP+4 Address Database includes ZIP+4 Codes, street addresses, carrier route, county, and congressional district information. Also included is the USPS city-state file, listing all 5-digit ZIP Codes, cities, and counties. Look at documentation [here](https://docs.melissa.com/reference-data/national-zip4/national-zip4-data-layout.html)! Tables included: - National ZIP+4 Address Database - US Postal Service city-state file Fields included: - ZIP Code - Record Type - Carrier route ID - Street predirection - Street name - Street suffix - Street postdirection - Primary low address - Primary high address - Primary even/odd/both - Building/firm name - Secondary address type - Secondary low address - Secondary high address - Secondary even/odd/both - ZIP+4 add on low - ZIP+4 add on high - State code - County FIPS code - Congressional district - City-state key

搜集汇总

背景与挑战

背景概述

该数据集是一个美国国家ZIP+4地址数据库，提供ZIP+4编码、街道地址、邮递路线、县和国会选区等信息。它包含两个主要表格和多个字段，如ZIP代码、街道名称和地址范围，支持地址验证和地理分析应用。