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United States Zip Code

Are you unsure of what 5 numbers make the United States Zip Code? Here’s an article to tell you the exact numbers.

United States Zip Code
Department of post office

Almost every online form, whether it is for delivery or not, requires you to fill in your Zip code. Sometimes even physical forms require it too.

The United States is a very large country, so it has a large range of zip codes to accommodate every state. Also, no state in America has only one postal code. Rather they also have a range.

Understanding these codes as location codes is easier for mail or delivery guys to get to you.

What are Zip Codes

Zip Codes are very simple numbers you can keep at your fingertips. They are there to help locate you, whether for delivery or any other services.

Zip means Zonal Improvement Plan. It was introduced by the United States Postal Service in 1963. The Zip code is a 5-digit number that helps postal officers find your exact location.

Zip codes are also called Postal codes. They are arranged in a way that each area in the United States has a different zip code. 

Here is an article that will help you know all the Zip codes for the United States.


United States Zip Code

United States Zip Code
United States zip code map.

The United States zip code is a 5-digit code that begins with 00001 to 99950. The postal code is specific to different areas, and each digit is significant to a broad or local area.

Here is the United States Postal Code.

StateCapitalUSPPostal Code
Alabama Montgomery AL35004 to 36925
AlaskaJuneauAK99501 to 99950
Arizona Phoenix AZ85001 to 86556
Arkansas Little RockAR85001 to 86556
California Sacramento CA90001 to 96162
Colorado Denver CO80001 to 81658
Connecticut Hartford CT06001 to 06928
Delaware Dover DE19701 to 19980
Florida Tallahassee FL32003 to 34997
Georgia Atlanta GE30002 to 39901
Hawaii Honolulu HA96701 to 96898
Idaho Boise ID83201 to 83877
Illinois Springfield IL60001 to 62999
Indiana Indianapolis IN46001 to 47997
IowaDes MoinesIO50001 to 52809
Kansas TopekaKS66002 to 67954
Kentucky FrankfortKY40003 to 42788
Louisiana Baton Rouge LA70001 to 71497
MaineAugusta ME03901 to 04992
Maryland Annapolis MD20588 to 21930
Massachusetts Boston MA01001 to 05544
Michigan La SingMI48001 to 49971
Minnesota Saint Paul MN55001 to 56763
Mississippi JacksonMS38601 to 39776
Missouri Jeffrey cityMO63001 to 65899
Montana HelenaMT59001 to 59937
Nebraska Lincoln NE68001 to 69367
Nevada Carson City NV88901 to 89883
New Hemisphere ConcordNH03031 to 03897
New Jersey Trenton NJ07001 to 08989
New Mexico Santa FeNM87001 to 88439
New York Albany NY00501 to 14925
North Carolina Raleigh NC27006 to 28909
North Dakota Bismarck ND58001 to 58856
OhioColumbus OH43001 to 45999
Oklahoma Oklahoma City OK73001 to 74966
Oregon SalemOR97001 to 97920
Pennsylvania Harrisburg PA15001 to 19640
Rhode Island Providence RI02801 to 02940
South Carolina Columbia SC29001 to 29945
South Dakota Pierre SD57001 to 57799
Tennessee Nashville TN37010 to 38589
Texas Austin TX73301 to 88595
UtahSalt Lake City UT84001 to 84791
Vermont Montpellier VT05001 to 05907
Virginia Olympia VA20101 to 24658
Washington Richmond W98001 to 99403
West Virginia CharlestonWV24701 to 26886
Wisconsin MadisonWI53001 to 54990
Wyoming CheyenneWY82001 to 83414


Each digit of the postal code stands for a specific area in the United State

The first digit represents a larger area which is the National Area

The second and third digits are for the region and the city

While the fourth and last are for your immediate delivery area. This is usually a smaller region, just around your location.

FAQS on the United States Zip Code 

What is the USA ZIP Code?

The USA Zip code is a 5-digit code that was brought into use in 1963. It was brought to ease mail delivery. It is still in use today for many other things. 

What is the US 5-digit ZIP Code?

The US 5-digit code is used to identify exact locations. Each digit represents a specific area. The first represents a larger area – National Area. The second and third are for the region or city, and the last two are for the immediate regions.

What ZIP Code is 22381?

This is the Postal code for Jung-gu. Province, Incheon, South Korea. It is not a USA postal code.

How many zip codes are in the USA?

The USA has 41,683 postal codes, and these codes range from 00501 to 99950.


It is important to know your postal code, and if you’re going to move from one area to another, even within a city, always check out the postal codes of those places. This way, you will help the delivery guy or anyone who like to send you a message or gift.

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Esther Gad
Esther Gad
I am a freelance writer, who loves to convey information through written contents. I build simple and conversational content tailored to the specific audience which can help industries build customer trust and in long term increase sales