State Abbreviation Lookup

Look up U.S. state abbreviations and full state names. Search by two-letter abbreviation, state name, capital, region, or sample city to find state code details.

Find a State Abbreviation

Tip: Enter a two-letter state abbreviation like IL, CA, TX, NY, or FL. You can also search by full state name, capital, region, or sample city.
State abbreviation details will appear here.

How the state abbreviation lookup works

Abbreviation search:
Enter a two-letter code such as IL, CA, TX, FL, NY, WI, or AZ.

State search:
Enter a full state name such as Illinois, California, Texas, Florida, or Wisconsin.

Capital search:
Enter a state capital such as Springfield, Sacramento, Austin, Tallahassee, or Madison.

City search:
Enter a sample city such as Chicago, Los Angeles, Dallas, Miami, or Milwaukee.

Why use a state abbreviation lookup?

A state abbreviation lookup helps connect a two-letter state code to the full state name and related details.

It is useful for address forms, shipping labels, contact lists, spreadsheets, location cleanup, state references, ecommerce, and data lookup tools.

Popular state abbreviation lookup uses

Frequently asked questions

Are state abbreviations always two letters?

Yes. Standard U.S. postal state abbreviations use two letters, such as IL for Illinois, CA for California, and TX for Texas.

Can I search by full state name?

Yes. Change the search mode to State Name and enter a full state name like Illinois, California, New York, or Wisconsin.

Can I search by capital city?

Yes. Change the search mode to Capital and enter a capital city such as Austin, Madison, Springfield, or Sacramento.

Can I copy the lookup result?

Yes. After running a lookup, click the copy button to copy the result.