United States ZIP Codes: Full List Of US Postal Codes by States

ZIP Codes are a series of five to nine unique numbers that indicate a state or city in a country. These are “postal codes” introduced in 1963 and used by the United States Postal Service. Well, today, every country in the world uses ZIP codes, and today’s post is focused on showing United States ZIP Codes by state. It is important to know the ZIP code of your state and country: It plays a huge role in international and local shipping services.

All USA states have ranges of postal codes; no two states have the same ZIP code range. You may be thinking about what the “ZIP” in ZIP code actually means. Well, it stands for Zone Improvement Plan – a crucial factor for sending mail and shipments. If you use the wrong postal code when entering your mailing address, your mail would be sent elsewhere.

The Full List Of US ZIP Codes or Postal Codes by States

It is important to understand that “ZIP Code” and “Postal Code” refer to the same thing; the words can be used interchangeably. Here’s a chart indicating all US States, their capitals, name abbreviations, and ZIP code ranges. Each state has a ZIP code range depending on the number of counties and cities in it.

Why Are ZIP Codes Important?

ZIP codes are important for quite many reasons, but mostly for shipping and mailing. If you’re a frequent online shopper, you must know the postal code of your local so you can always receive your packages. When you move to a new location, remember to change the postal/ZIP code on your address, so that your new orders can be sent to your new location.

There are other usefulness of ZIP codes, such as when filling out forms online or setting up a billing account on a website. ZIP codes are unique, every county, state, and country has its own. Also in the United States, independent territories have their unique ZIP code ranges too.

• American Samoa: 96799
• Northern Mariana Islands: 96950 to 96952
• Puerto Rico: 00601 to 00988
• Guam: 96910 to 96932
• United States Virgin Islands: 00801 to 00851
• District of Columbia (DC): 20001 to 56972

What More?

These are the ZIP/postal codes of all States and Territories in the United States of America. So, you can scroll up/down to your state and find the ZIP code range. The chart above is presented alphabetically.