ZIP+4. Complete dataset based on US postal data consisting of plus 35 millions of polygons
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GeoJunxion‘s ZIP+4 is a complete dataset based on US postal data consisting of plus 35 millions of polygons. The dataset is NOT JUST a table of spot data, which can be downloaded as csv or other text file as it happens with other suppliers. The data can be delivered as shapefile through a single RAW data delivery or through an API. The January 2021 USPS data source has significantly changed since the previous delivery. Some States have sizably lower ZIP+4 totals across all counties when compared with previous deliveries due to USPS parcelpoint cleanup, while other States have a significant increase in ZIP+4 totals across all counties due to cleanup and other rezoning. California and North Carolina in particular have several new ZIP5s, contributing to the increase in distinct ZIPs and ZIP+4s. GeoJunxion‘s ZIP+4 data can be used as an additional layer on an existing map to run customer or other analysis, e.g. who is my customer who not, what is the density of my customer base in a certain ZIP+4 etc. Information can be put into visual context, due to the polygons, which is good for complex overviews or management decisions. CRM data can be enriched with the ZIP+4 to have more detailed customer information. Key specifications: Topologized ZIP polygons GeoJunxion ZIP+4 polygons follow USPS postal codes ZIP+4 code polygons: ZIP5 attributes State codes. Overlapping ZIP+4 boundaries for multiple ZIP+4 addresses on one area Updated USPS source (January 2021) Distinct ZIP5 codes: 34 731 Distinct ZIP+4 codes: 35 146 957 The ZIP + 4 polygons are delivered in Esri shapefile format. This format allows the storage of geometry and attribute information for each of the features. The four components for the shapefile data are: .shp – This file stores the geometry of the feature .shx –This file stores an index that stores the feature geometry .dbf –This file stores attribute information relating to individual features .prj –This file stores projection information associated with features Current release version 2021. Earlier versions from previous years available on request.
GeoJunxion的ZIP+4数据集是基于美国邮政服务（USPS）数据构建的完整数据集，包含超过3500万个多边形要素。该数据集绝非仅为点位数据表：与其他供应商可将数据以CSV或其他文本文件格式下载的通行模式不同，本数据集可通过单次原始数据交付的Shapefile格式，或经由应用程序编程接口（API）进行交付。 2021年1月版的USPS数据源相较于此前的交付版本已发生显著变化。受USPS投递点清理行动影响，部分州的所有县域内ZIP+4编码总量均出现明显下滑；而另有部分州因清理行动及重新区划工作，其所有县域内的ZIP+4编码总量实现显著增长。其中，加利福尼亚州与北卡罗来纳州新增了大量ZIP5编码，推动了独立ZIP编码及ZIP+4编码总量的提升。 GeoJunxion的ZIP+4数据集可作为现有地图的附加图层，用于开展客户分析或其他相关研究，例如“哪些是我的客户，哪些并非我的客户”“特定ZIP+4编码区域内的客户群体密度如何”等。借助多边形要素，相关信息可被可视化呈现，这对于复杂概览分析或管理决策而言极具价值。客户关系管理（CRM）数据可通过关联ZIP+4编码实现丰富完善，以获取更详尽的客户信息。 核心规格如下： 1. 拓扑化ZIP编码多边形：GeoJunxion ZIP+4多边形遵循USPS的ZIP+4编码规范。 2. ZIP+4编码多边形包含ZIP5属性与州代码。 3. 针对同一区域内存在多个ZIP+4地址的场景，保留重叠的ZIP+4边界。 4. 数据源为2021年1月更新的USPS数据。 5. 独立ZIP5编码总量：34731个 6. 独立ZIP+4编码总量：35146957个 ZIP+4多边形以Esri Shapefile格式交付。该格式可存储每个要素的几何与属性信息。Shapefile数据包含四个组成部分： - .shp：存储要素的几何信息 - .shx：存储要素几何的索引文件 - .dbf：存储单个要素的关联属性信息 - .prj：存储要素关联的投影信息 当前发布版本为2021版。过往年度的旧版数据集可根据申请提供。
