: Indicates a specific group of blocks or a large building.
Every ZIP Code is a five-digit number where each digit serves a specific geographic or operational purpose. zip code us
: Pinpoints one side of a street or a specific floor. Types of ZIP Codes : Indicates a specific group of blocks or a large building
Not all ZIP Codes are created equal. The USPS classifies them into four categories: ZIP Code™ - The Basics Types of ZIP Codes Not all ZIP Codes are created equal
The system is more than just a sequence of numbers; it is a foundational piece of infrastructure that has organized American logistics, data, and social identity for over 60 years. Introduced in 1963 by the United States Postal Service (USPS) , the Zone Improvement Plan (ZIP) was designed to "zip" mail along more efficiently to its destination. How US ZIP Codes Work
In 1983, the USPS introduced the extension. These extra four digits allow for even more granular sorting, often narrowing down a delivery area to a specific city block, an apartment building, or even a single high-volume business.