Need to look up a ZIP Code™? Try the ZIP Code™ lookup tool on USPS.com. Note: The ZIP Code™ lookup tool will display the address in USPS standardized format. This may look …

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 …

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 …

Use our address lookup or code list to find the correct 5-digit or 9-digit (ZIP+4) code for your postal mails destination.

Oct 21, 2025 · ZIP Code, system of zone coding (postal coding) introduced by the U.S. Post Office Department (now the U.S. Postal Service) in 1963 to facilitate the sorting and delivery of …

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 …

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.

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. …

Nov 10, 2023 · ZIP codes are a systematic method for sorting and delivering mail across the United States, ensuring efficiency and accuracy. These numerical codes represent specific …

A ZIP Code is a unique five-digit numeric code designed to streamline the distribution of mail by the United States Postal Service (USPS). ZIP is an acronym for Zone Improvement Plan, and …