What is United States Zip Code? All That You Need to Know

If you are confused about USA zip code/US zip code? This article is intended for you to understand what exactly United States zip codes are. Zip codes are systems of postal codes only used by the United States Postal Service (USPS) since 1963.

The term ZIP, an acronym for Zone Improvement Plan was selected to suggest that the mail travels more proficiently, and accordingly more rapidly (zipping along), when senders use the code in the postal address. The basic display comprises of five decimal numerical digits and different from the postal code.

An expanded ZIP+4 codes, presented in 1983, include the five digits of the ZIP code, a hyphen, and four extra digits that focus on a specific area in a given ZIP code. The USPS gives a free online lookup device for ZIP codes.

Zip codes for United States of America

Zip code in USA


The term ZIP code was at first registered as a sort of trademark by the U.S. Postal Service, though its registration has expired. USPS style for ZIP is all uppercase, but the pattern for a few publications use lowercase letters.

List of America Zip Codes

There are about 43,000 ZIP Codes in the United States. This number changes from month to month, depending on the number of additional states added or changes made.

To see the list of the zip code for the United States, you have to know the address¬†of the state to be able to find the exact zip codes for the address. ¬†Click on this link to search the zip code by address or city and you don’t need to worry about knowing the five digits of the zip codes.

Most Expensive U.S Zip Codes

If you think it is expensive living in Ikoyi or Victoria Island, Lagos; try buying a house in Sagaponack, New York. Among the USA zip codes listed below, Tony Hamptons village is the most expensive zip code in U.S when it comes to real estates, with a median sales price for a home sold at $5.1 million, reports PropertyShark.

In general, California claimed four of the main five spots, and 14th of the top priciest zip codes in USA. New York claimed all the other top ZIP codes except for Miami Beach, Florida, which came in 9th.

Below you will find the first 20 Priciest ZIP Codes in the U.S

united states zip code

Let’s know if you have any questions regarding US zip codes by leaving your comment below and don’t forget to share this article on Facebook, Twitter and Google+


Leave a Reply