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

The term ZIP stands for Zone Improvement Plan. The basic 5-digit format was first introduced in 1963 and later extended to add an additional 4 digits after a dash to form a ZIP+4 code. The …

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 …

What is a zip code/postal code? In the United States of America a zipcode is five or nine numbers that are added to a postal address to assist the sorting of mail.

The first number in the five-digit ZIP Code represents a general geographic area of the nation, “0” in the east, moving to “9” in the west. The next two numbers represent regional areas, and the …

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. …

Dec 2, 2025 · Of the ZIP codes within or partially within Poland there are 1 Standard ZIP Codes. The total population of ZIP Codes in Poland is 5883. Click on the ZIP Codes in the interactive …

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 …

This page provides a list of 9-digit ZIP+4 Codes for POLAND, along with information on its population, schools, museums, libraries, universities, hospitals, post offices, and random …

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.