A geographical representation of the independent city in Missouri displays its internal boundaries and postal code designations. This cartographic tool delineates areas within the city limits, associating each with a specific five-digit numerical identifier used by the United States Postal Service. For example, a section in the Central West End may be marked with the code 63108, while the Soulard neighborhood might bear the code 63118.
The utility of such a resource lies in its facilitation of precise location-based services, including efficient mail delivery, targeted marketing campaigns, and effective emergency response planning. Historically, the development of these codified zones accompanied the expansion of urban areas and the increasing need for systematic organization of address systems. Furthermore, it aids in demographic analysis, urban planning initiatives, and real estate assessment by providing geographically referenced datasets.