A visual representation displaying the geographical boundaries of designated postal areas within the city of Chicago, identified by their respective numerical codes, provides a framework for understanding spatial data. For example, such a depiction shows the area covered by 60601 encompasses a portion of downtown Chicago.
These cartographic representations offer significant value across various sectors. Businesses utilize them for targeted marketing campaigns and logistical planning. Researchers employ them for demographic studies and socioeconomic analyses. City planners leverage them for resource allocation and service delivery. Historically, these geographic divisions have been crucial for efficient mail delivery and urban organization.