ZIP Code - Wikipedia
The ZIP Code system (an acronym for Zone Improvement Plan[1]) is the system of postal codes used by the United States Postal Service (USPS). The term ZIP was chosen to suggest that …
ZIP Code™ Lookup | USPS
Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Find by Address By City and State
Free ZIP code map, zip code lookup, and zip code list
US ZIP codes are a type of postal code used within the United States to help the United States Postal Service (USPS) route mail more efficiently. ZIP codes near me are shown on the map …
What Is a ZIP Code? Definition, ZIP+4, Lookup, and USPS Basics
At its core, a ZIP code is a U.S. postal code that lets the United States Postal Service group addresses into logical clusters so machines and people can sort mail and deliver mail reliably. …
ZIP Code Meaning & History: Everything You Need to Know
Jun 11, 2025 · What is a ZIP Code? A ZIP Code is a smart system that keeps America’s mail moving efficiently. It was created by the United States Postal Service (USPS) in 1963. ZIP …
ZIP Codes in USA – Find a Code, Map, and Fun Facts
Jan 15, 2025 · ZIP Codes in the USA, often referred to as “Zone Improvement Plan” codes, were introduced in 1963 to simplify and expedite mail delivery. A ZIP Code is a five-digit number …
What is a ZIP Code? Origins, Formats, and Applications.
Jul 30, 2024 · What is a ZIP Code in the US? In the US, ZIP Code stands for “Zone Improvement Plan Code,” a postal code system introduced by USPS to efficiently organize mail delivery by …
What is Zip Code and How Do Zip Codes Work? - PostGrid
What is ZIP Code and what makes the Postal Code system so special? ZIP Codes are the postal code system used in the US. Read more.
ZIP Code Meaning: What the Numbers Mean & How They Work
Jun 21, 2025 · ZIP codes are structured to provide a systematic way of identifying geographic locations for efficient mail delivery. The standard ZIP code consists of five digits, while an …
ZIP CODE Definition & Meaning - Merriam-Webster
The meaning of ZIP CODE is a number that identifies a particular postal delivery area in the U.S..