A visual representation displaying the geographic boundaries of postal code areas within the city, offering a spatial understanding of how these codes are distributed. For example, such a map would delineate the area covered by zip code 60601 in downtown, differentiating it from adjacent areas like 60611 in Streeterville.
The utility of geographically referenced postal codes in the city is multifaceted. They facilitate efficient mail delivery, aid businesses in targeted marketing campaigns by enabling demographic analysis, and assist urban planners in resource allocation based on population density and distribution. The creation and evolution of these zones reflect the city’s growth and changing demographics over time.