What Is the Abbreviation for Wyoming?
The standard 2-letter abbreviation for Wyoming is WY.
Wyoming Abbreviation
The abbreviation for Wyoming is WY. In older writing you might see Wyo., but today's mailing, form, and database standard is WY.
Wyoming Abbreviation for Mailing and Forms
Use WY for Wyoming in mailing addresses, shipping labels, government forms, and business records.
In all of these contexts write WY in uppercase. The form WY. with a period is incorrect for postal use.
AP Style and Traditional Wyoming Abbreviation
What Does WY Stand For?
Wyoming uses the USPS abbreviation WY.
USPS adopted WY for Wyoming in 1963. The older form Wyo. still appears in older writing, but WY is the standard postal abbreviation today.
How to Write a Wyoming Address
In a U.S. mailing address, write the city name, then WY in uppercase, then the five-digit ZIP Code. Never put a period after the abbreviation.
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 Wyoming and are commonly looked up alongside it.
FAQ
What is the abbreviation for Wyoming?
The standard USPS abbreviation for Wyoming is WY.
What is the postal abbreviation for Wyoming?
WY is the two-letter postal abbreviation for Wyoming. It is the form used in mailing addresses, shipping labels, forms, and databases.
How do you abbreviate Wyoming?
Abbreviate Wyoming as WY in current USPS, mailing, and database use.
What is the two-letter abbreviation for Wyoming?
WY is the official two-letter abbreviation for Wyoming.
What is the Wyoming state code?
WY is the two-letter state code used for Wyoming in mailing addresses, forms, spreadsheets, and databases.
Why is Wyoming abbreviated WY?
Wyoming uses the USPS abbreviation WY.
What does WY stand for?
WY stands for Wyoming in the USPS state abbreviation system.
What is the old abbreviation for Wyoming?
Older editorial styles often wrote Wyoming as Wyo.. For mailing and database use, the modern standard is WY.
How do you write a Wyoming mailing address?
Use the city name, then the two-letter postal code WY, then the ZIP Code. For example: Cheyenne, WY 00000.
What state is WY?
WY is the postal abbreviation for Wyoming, located in the West region. The capital is Cheyenne.