Why does Amazon add extra numbers to zip code?

When Amazon uses those numbers the POST OFFICE has assigned to each address, they get used to allow for faster and more accurate sorting of packages which is why Amazon is given a discount for using the numbers the POST OFFICE has added to the end of your Zip Code.

Why is the an extra 4 digits in my ZIP code?

Your ZIP+4 is a basic five-digit code with four digits added as an extra identifier. It helps to identify a geographic segment within the five-digit delivery area, such as a city block, a group of apartments, an individual high-volume receiver of mail, or a post office box.

Why are numbers added to my zip code?

Each number of a zip code corresponds to a specific piece of information about the destination. The first number, between 0-9, denotes a geographic area of the U.S. The second two numbers of a zip code specify a specific region within that geographic area and the last two are meant to indicate a specific Post Office.

What are the numbers after the dash in a zip code?

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 additional 4 digits help USPS more precisely group mail for delivery.

What does ZIP in ZIP Code stand for?

Zone Improvement Plan
What does ZIP mean? ZIP is an acronym for Zone Improvement Plan. However, the USPS intentionally chose the acronym to indicate that mail travels more quickly when senders mark the postal code on their packages and envelopes. The general system of ZIP codes used today was implemented in 1963.

How often are new ZIP codes created?

New nine digit zip codes are created every day, anytime a new delivery address appears from new construction.

What is Amazon Prime zip code?

items can be shipped to address within the zip codes 20189 and 20521, except for: Perishables or temperature-controlled items.

Why is my PO Box ZIP code different?

Why do the final four digits of a ZIP code for a PO box usually match the PO box number itself? – Quora. Usually when a Post Office has a bank of PO boxes available to the public, a unique ZIP code is used to identify that bank of boxes.

What happens if I put the wrong city but the right ZIP code?

A wrong postal code will be signalled when you are about to hand off the package for delivery OR the post will not be delivered since the postal code does not exist. In case you entered the ‘wrong’ postal code, but it is still a valid address, it will be delivered to that address.

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