Us Zip Codes List- United States Postal Codes By States

This is to inform the general public About Us Zip Codes, In the US, there are more than 40,000 ZIP codes. Also, utilizing the my ZIP code tool, which will locate your postcode depending on your current location, is an additional choice.

Us Zip Codes

Basically, the United States Postal Service (USPS) uses US ZIP codes as a type of postal code to more effectively route mail within the country.  Some still use the term “US postal codes” to describe ZIP codes. In order to create a ZIP+4 code, the initial 5-digit now includes an additional 4 digits following a dash. USPS is able to more precisely arrange mail for delivery with the use of the extra 4 digits.


Nevertheless, many other shipping firms, including United Parcel Service (UPS), Federal Express (FedEx), DHL, and others, use ZIP numbers to classify packages and determine the time and cost of transporting an item (the shipping rate) despite the fact that USPS are the company creators of these ZIP codes.

What is a zip code?

Zone Improvement Plan is what the acronym ZIP stands for. The top right corner of a mail or parcel will have a five-digit code called a zipcode on it. Also, in the United States, there are 9,223 ZIP codes, each of which has an own set of numbers.

USA ZIP Codes & Postal Codes List

Majorly, the US Postal Service uses zipcodes, which are 5-digit identifiers, to identify the location of a deliverable address. Normally, within each state, the codes are grouped by urban or rural areas.

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United States Postal Codes By States

Here is a comprehensive list of all the states in the USA together with their Zip codes:

StateZip Code
Alabama Zip Code35004 – 36925
Alaska Zip Code99501 – 99950
Arizona Zip Code85001 – 86556
Arkansas Zip Code71601 – 72959
California Zip Code90001 – 96162
Colorado Zip Code80001 – 81658
Connecticut Zip Code06001 – 06928
Delaware Zip Code19701 – 19980
Florida Zip Code [FL]32003 – 34997
Georgia Zip Code30002 – 39901
Hawaii Zip Code96701 – 96898
Idaho Zip Code83201 – 83877
Illinois Zip Code60001 – 62999
Indiana Zip Code46001 – 47997
Iowa Zip Code50001 – 52809
Kansas Zip Code66002 – 67954
Kentucky Zip Code40003 – 42788
Louisiana Zip Code70001 – 71497
Maine Zip Code03901 – 04992
Maryland Zip Code20588 – 21930
Massachusetts Zip Code01001 – 05544
Michigan Zip Code48001 – 49971
Minnesota Zip Code55001 – 56763
Mississippi Zip Code38601 – 39776
Missouri Zip Code63001 – 65899
Montana Zip Code59001 – 59937
Nebraska Zip Code68001 – 69367
Nevada Zip Code88901 – 89883
New Hampshire Zip Code03031 – 03897
New Jersey Zip Code07001 – 08989
New Mexico Zip Code87001 – 88439
New York Zip Code00501 – 14925
North Carolina Zip Code27006 – 28909
North Dakota Zip Code58001 – 58856
Ohio Zip Code43001 – 45999
Oklahoma Zip Code73001 – 74966
Oregon Zip Code97001 – 97920
Pennsylvania Zip Code15001 – 19640
Rhode Island Zip Code02801 – 02940
South Carolina Zip Code29001 – 29945
South Dakota Zip Code57001 – 57799
Tennessee Zip Code37010 – 38589
Texas Zip Code73301 – 88595
Utah Zip Code84001 – 84791
Vermont Zip Code05001 – 05907
Virginia Zip Code20101 – 24658
Washington Zip Code98001 – 99403
West Virginia Zip Code24701 – 26886
Wisconsin Zip Code53001 – 54990
Wyoming Zip Code82001 – 83414

All USA Zip Codes are listed in full in this table.

Why Are Zip Codes Important?

ZIP codes could be taken for granted. While the majority of us are aware that they can reveal a lot about us, few of us can actually explain how. We all know what they should be, but how do they actually operate and why are they crucial?

You might be surprised to learn how important zipcodes are. It’s true what you may have seen in the news that zip codes affect your credit score. However, zip codes serve three crucial roles in both your personal and professional lives.

The contents of a zip code A lot. Most people instantly recognize the zip code as a crucial piece of information for figuring out delivery routes and locations. It can be useful in marketing to divide up customers based on where they reside. Businesses can focus their efforts on client segments that have the best chances of maintaining business with the help of this information.

There are various reasons why zipcodes are important. They first enable the US Postal Service (USPS) to quickly transport mail and shipments. In order to boost efficiency, marketers, researchers, and corporations have utilized them to stratify data and separate people into groups according to geography.

The United States Postal Service doesn’t merely use zipcodes to transport mail and shipments from A to B. They are crucial for determining visitors’ reactions to your listing on Google Maps.

It’s a fact that customers today are considerably more inclined to base their purchases on location. If your business is close to or within a specific zip code, you’ll see an increase in foot traffic and revenue.

Here are a few explanations on why the USA chose to use the postcode system.

  • Zip Codes facilitate and speed up the mail sorting process.
  • Distribution of mail is made simple by postal codes.
  • It enables the system to trace mail that is sent and received.

Frequently asked questions

What is 5 digit US ZIP Code?

In the United States, the postal code system is referred to as a ZIP code. It is a string of numbers that gives details about individuals throughout various geographic clusters. In the US, there are two different ZIP code schemes: ZIP and ZIP+4.

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How do I find a ZIP Code?

Using the USPS Zip Code Lookup tool on the U.S. postal service website, you may determine the zip code if you know the full or partial address. Additionally, you can look for all cities included in a certain zip code, search by state or city.

What is a valid zip or postal code?

Postal services use postal codes, which are groups of particular numbers and occasionally letters, to distribute mail. A five-digit number commonly referred to as a Zip Code, which identifies a specific postal service area in the United States, is crucial for ensuring that your product gets delivered.

How do ZIP Codes work in USA?

Each subset of numbers within the zip code identifies where you live with the 10 main geographic regions of the nation (numbered 0–9 at the national level), followed by two digits that identify the bigger post offices where mail is sorted, and two digits for the smaller city post office that delivers to your location.


Although ZIP codes appear to have a geographic focus, it wasn’t their primary purpose. They are designed to organize mail into groups so that the USPS can deliver mail more effectively. To improve mail delivery and routing, some ZIP codes may cross multiple states. The majority of the time, addresses that are adjacent to one another are put into the same ZIP code, giving the impression that ZIP codes have a distinct geographic limit.

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