Using state abbreviations when entering a physical address for purposes such as sending packages, cards, or documents is a requirement. When ordering things or looking up addresses online, if you live in Ohio, or are searching for something in the state, knowing what the Ohio state abbreviation is will come in handy.

OH State Abbreviation

The United States is made up of 50 states, all with their own unique two-letter state abbreviations; remembering all of them can be tough, especially since a lot of states have similar lettering in their names. Here’s all you need to know when it comes to the Ohio state abbreviation.




The Ohio state abbreviation is relatively simple and easy to remember, it is made up of the first two letters of the state’s name, “OH”.

OH State Abbreviation

Not only are there just two-letter postal abbreviations for all 50 states, but there’s also an abbreviation for each state. The regular abbreviations to states’ names came out in 1963, but many were three to four letters in length and it was decided they would be too long to include on envelopes and packages as addressing equipment couldn’t accommodate these longer state abbreviations along with each states’ zip code too.

The Buckeye State doesn’t actually have an old abbreviation, people would just refer to the state simply as “Ohio”, or more recently, OH. If you are interested in keeping up to date with the Ohio minimum wage, including the current min wage rate, updates, and the latest increases, then check out our page dedicated to this.

People use state abbreviations all the time in everyday life and business, it is important to understand the unique two-letter abbreviation representing each state in the U.S. as the probability of you needing to remember it is very high.

Check out our US State Initials table where we not only show the OH State abbreviation but each state’s unique two-letter postal abbreviation and regular abbreviation.

In addition to our table listing all 50 states, you will also find a convenient downloadable one-page PDF with all the US State initials listed.