State Abbreviation Guide

What Is the Abbreviation for Arizona?

The standard 2-letter abbreviation for Arizona is AZ.

State Abbreviation
AZ
Traditional Form
Ariz.
Capital
Phoenix
Region
West

Arizona Abbreviation

Arizona's abbreviation is AZ. You may also see Ariz. in older writing, but AZ is the form used in mailing addresses, forms, databases, and current style guides.

2-letter postal code
AZ
Traditional / AP style
Ariz.
Address format
Phoenix, AZ
Takes periods?
No — write AZ, not AZ.

Arizona Abbreviation for Mailing and Forms

AZ is the form used for Arizona in mailing addresses, shipping labels, government paperwork, and databases.

Mailing addresses
Shipping labels
Online checkout forms
Tax documents
Spreadsheets & databases
Government & school records

In all of these contexts write AZ in uppercase. The form AZ. with a period is incorrect for postal use.

AP Style and Traditional Arizona Abbreviation

Postal & forms AZ Mailing addresses, shipping labels, online forms, and all data entry.
AP Style & editorial Ariz. Newspapers, news releases, and most editorial style guides when a city name comes first.

What Does AZ Stand For?

Arizona's USPS abbreviation is AZ.

USPS has used AZ for Arizona since 1963. Ariz. still shows up in older print sources, but AZ is the modern postal form.

How to Write an Arizona Address

In a U.S. mailing address, write the city name, then AZ in uppercase, then the five-digit ZIP Code. Never put a period after the abbreviation.

John Smith 123 Main St Phoenix, AZ ZIP

The same format applies in checkout forms, school worksheets, CRM systems, spreadsheets, shipping labels, and government databases — anywhere a two-letter state code is required.

Related Abbreviation Questions

These states share a first letter, region, or alphabetical position with Arizona and are commonly looked up alongside it.

What is the abbreviation for Alabama? Alabama's abbreviation is AL. What is the abbreviation for Alaska? Alaska's abbreviation is AK. What is the abbreviation for Arkansas? Arkansas's abbreviation is AR. What is the abbreviation for California? California's abbreviation is CA. What is the abbreviation for Colorado? Colorado's abbreviation is CO. What is the abbreviation for Hawaii? Hawaii's abbreviation is HI.

FAQ

What is the abbreviation for Arizona?

The standard USPS abbreviation for Arizona is AZ.

What is the postal abbreviation for Arizona?

AZ is the two-letter postal abbreviation for Arizona. It is the form used in mailing addresses, shipping labels, forms, and databases.

How do you abbreviate Arizona?

Abbreviate Arizona as AZ in current USPS, mailing, and database use.

What is the two-letter abbreviation for Arizona?

AZ is the official two-letter abbreviation for Arizona.

What is the Arizona state code?

AZ is the two-letter state code used for Arizona in mailing addresses, forms, spreadsheets, and databases.

Why is Arizona abbreviated AZ?

Arizona's USPS abbreviation is AZ.

What does AZ stand for?

AZ stands for Arizona in the USPS state abbreviation system.

What is the old abbreviation for Arizona?

Older editorial styles often wrote Arizona as Ariz.. For mailing and database use, the modern standard is AZ.

How do you write an Arizona mailing address?

Use the city name, then the two-letter postal code AZ, then the ZIP Code. For example: Phoenix, AZ 00000.

What state is AZ?

AZ is the postal abbreviation for Arizona, located in the West region. The capital is Phoenix.