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The postal abbreviation for Illinois is IL, and the standard abbreviation is Ill. Learn more about the history and usage of state abbreviations in the US.
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Find the abbreviation for Illinois in various sets of codes and abbreviations used to represent the political divisions of the United States. The ISO code for Illinois is US-IL, the USPS code is IL, and the AP style is Ill.
7 maj 2021 · Learn the origin and current postal codes of the US states, including Illinois (IL). Find out how the codes are used for mailing, data processing, and introducing oneself.
6 lip 2022 · Learn how to write Illinois as a state abbreviation in two different formats: USPS (IL) and traditional (Ill.). Find out the history, rules and tips for using state abbreviations correctly.
The list below is all 50 States and their postal and standard abbreviations in alphabetical order. Each state has its own unique shortened name codes called state abbreviations used in written documents and mailing addresses.
While the two-letter abbreviations are now preferred, the earlier versions continue to be widely used. In the table below, we provide abbreviations for each U.S. state and territory. U.S. state or territory. postal abbreviation. traditional abbreviation*.
The United States Postal Service publishes this list of official 2-letter abbreviations for the 50 US states. The abbreviations are to be used when addressing mail. The two letters of each abbreviation are always capitalized and without periods.
