What is state abbreviation?

A state abbreviation is a shortened form of a state's name, typically used for postal addresses and other official documents.

For example:

* CA is the abbreviation for California.

* NY is the abbreviation for New York.

* TX is the abbreviation for Texas.

Here are some key things to know about state abbreviations:

* They are usually two letters long. There are a few exceptions, such as DC for District of Columbia.

* They are standardized by the United States Postal Service (USPS). This ensures consistency across the country.

* They are usually written in all capital letters.

You can find a complete list of state abbreviations on the USPS website or many other online resources.