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United States of America address format & examples

How to write an American address

From the bustling streets of New York City to the wide-open spaces of Montana and beyond, the United States of America is a land of opportunity, freedom, and incredible diversity. Whether you're sending a letter to someone enjoying a Broadway show or mailing a package to a friend hiking the Grand Canyon, understanding the correct US address format is essential. On this page, you'll find everything you need, including multiple handy US address examples, to ensure your mail gets where it’s going without taking an unexpected road trip.

If you're curious about the United States Postal Service (USPS) and it's required format, it might be helpful to understand where it's perspective comes from. Founded near the birth of the nation in 1775, Benjamin Franklin was appointed as the first Postmaster General and laid the foundation for the modern postal system.

Over the years, the USPS has evolved and scaled to meet the needs of the country and the world. Innovations like the Pony Express and then airmail have helped to advance and speed up the postal services offered in the US.

Today, the USPS operates as an independent agency of the executive branch of the US government and uses slick technology for routing and address verification. To ensure the best and fastest service, you'll need to use the correct United States address format.

Not sure how to write an American address? Don’t worry, it’s simple! Below, you'll find the proper address format for the USA and a clear US address example to help your letters and packages reach anywhere in the country. No matter the size, shape, or weight of your package, knowing the right mailing address format for the US will keep anything you send on track.

Smarty is your trusted source for atomic-level location data. Just enter any American address, and we’ll get it formatted, standardized, and validated faster than you can take a swig of Coca-Cola. Using the correct USA address format is easier while also looking at an example of one done right:

  1. Addressee line – The recipient’s full name, with optional titles (President?).
  2. Building number and street address - If you're mailing to grid-based cities like Salt Lake City or Manhattan, you may need to include the street direction and street post direction.
  3. City, state, and ZIP Code – Write the city first, followed by a comma, then the two-letter state abbreviation, followed immediately by the ZIP Code (NO comma) (e.g., Los Angeles, CA 90001).
  4. Country – Written as United States, or shortened to USA.
USA residential address format example

United States of America address examples

Smarty address validation tools

Smarty® has a suite of address validation tools that can format, standardize, and validate United States of America addresses, plus addresses in 240+ other countries and territories worldwide. Validate your American address with our tools.
Use the Single Address Verification Tool to verify and format 1 address at a time, the Bulk Address Validation Tool to verify and format a list addresses simultaneously, or use the International Street Address API to integrate address validation and formatting programmatically into your software systems and workflows.

Postal information

United States of America's national postal system, "United States Postal Service," was established in 1775. As of recent data, United States Postal Service services approximately 210000000 addresses, reflecting its extensive reach throughout United States of America. The organization manages a substantial network, indicative of its role as a major postal service provider in the region.
Administrative area types and count
50 States
Administration area names and abbreviations

Alabama - AL

Alaska - AK

American Samoa - AS

Arizona - AZ

Arkansas - AR

California - CA

Colorado - CO

Connecticut - CT

Delaware - DE

District of Columbia - DC

Florida - FL

Georgia - GA

Guam - GU

Hawaii - HI

Idaho - ID

Illinois - IL

Indiana - IN

Iowa - IA

Kansas - KS

Kentucky - KY

Louisiana - LA

Maine - ME

Maryland - MD

Massachusetts - MA

Michigan - MI

Minnesota - MN

Mississippi - MS

Missouri - MO

Montana - MT

Nebraska - NE

Nevada - NV

New Hampshire - NH

New Jersey - NJ

New Mexico - NM

New York - NY

North Carolina - NC

North Dakota - ND

Northern Mariana Islands - MP

Ohio - OH

Oklahoma - OK

Oregon - OR

Pennsylvania - PA

Puerto Rico - PR

Rhode Island - RI

South Carolina - SC

South Dakota - SD

Tennessee - TN

Texas - TX

U.S. Virgin Islands - VI

Utah - UT

Vermont - VT

Virginia - VA

Washington - WA

West Virginia - WV

Wisconsin - WI

Wyoming - WY

Term to describe postal codes
postal code
Postal code in language
postal code
Postal code format
99999-9999
Postal service provider and website

United States Postal Service

https://www.usps.com/

Country information

And there’s so much more to United States location data than just the address format! From the USPS to address enrichment data, there’s something for everyone to explore. Whether you’re interested in ISO codes, county FIPS codes, or residential delivery indicators, we’ve got all the info to make your location data experience as smooth as can be.

Country/territory name
United States of America
ISO3
USA
ISO 3166-1 alpha-2 country code
US
ISO 3166-1 alpha-3 country code
USA
ISO 3166-1 numeric country code
840
Endonym
United States of America
Total land area
9833517 KM²
Capital
Washington, DC
Other major cities
New York City, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, Orem

Population information

Total population
334914895 (2020)
Urban / rural distribution
80% / 20%
Urban population
267931916
Rural population
66982979
Official language
No declared official language
All languages spoken
English, Spanish
Most commonly used postal language
English
CC-BY 4.0 from worldbank.org
Now that you've seen our American address examples and have become a wizard at United States of America address formats, why not expand your expertise even further? Explore our detailed guides for related countries and territories to see how their address formats and examples vary.
Visit the global address formats page or North America address formats page for more information on all the other countries and territories we cover. You can also read or read our article about international address verification to learn more.
*Data updated as of February 21, 2025

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