10321

10321 is a natural number that is also used as a United States ZIP code. In the United States Postal Service system, 10321 designates a specific geographic area on Staten Island, New York, for mail delivery and routing. ZIP codes are four or five-digit numeric codes introduced in 1963 to improve sorting and efficiency in mail distribution, and 10321 is part of this nationwide framework.

As a number, 10321 is odd. The sum of its digits is 7, giving a digital root of 7. It is not divisible by 2, 3, or 5. The number lies between 10320 and 10322, and it has five digits.

Geographically, the area associated with 10321 is part of the New York City borough of Staten Island, a residential and commercial region that is the southernmost portion of New York City. The ZIP code helps distinguish it from neighboring areas with different ZIP codes for purposes of mail delivery, demographic analysis, and regional planning.