23021

23021 is a five-digit number that can refer to different things in different contexts. In the United States, 23021 is used as a ZIP code by the United States Postal Service to designate a geographic area for mail delivery. ZIP codes are part of the addressing system used to sort mail and route deliveries. The area assigned to 23021 may comprise communities within a county or metropolitan area, and the code is often used in demographic and planning data.

In astronomy, 23021 is the numerical designation given to a minor planet in the Solar System. Minor planets are cataloged sequentially by the Minor Planet Center after their orbits are reliably determined. The 23021 designation uniquely identifies that object in official records and is used in scientific literature and databases.

As a plain number, 23021 is an odd integer in the 23,000s. It lies between 23020 and 23022. Like other numbers, its significance is determined by the domain in which it is used; it may appear as a model or part number in manufacturing, an identifier in databases, or a catalog reference.

In summary, 23021 is primarily known as a five-digit postal code in the United States and as a numeric identifier in astronomical catalogs, with other uses common to the practice of labeling items or records.