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Ohio · USPS Abbreviation

Launch the USPS Abbreviation mini-game with Ohio as the first prompt. Quick facts and links below.

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Ohio's 2-letter postal abbreviation

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OH is the official USPS 2-letter abbreviation for Ohio. This page launches the USPS Abbreviations quiz starting with OH — match the code to the state.

Why OH?

The USPS standardized state abbreviations to 2 letters in 1963 to fit punched cards in early mail-sorting machines. The code OH takes the first 1 or 2 distinctive letters of Ohio.

Quick facts

USPS code
OH
Capital
Columbus
Largest city
Columbus
Region
Midwest
Admitted to Union
1803
Nickname
Buckeye State
Electoral votes
17
Bordering states
Indiana, Kentucky, Michigan, Pennsylvania, West Virginia

Other Ohio games

→ Ohio · Place the State→ Ohio · State Capitals Quiz→ Ohio · State Flag Quiz→ Ohio · State Nickname Quiz

More about Ohio

→ Ohio state page → Learn the 50 US states → All US states games

Frequently asked

What is Ohio's abbreviation?

OH.

Is this game free?

Yes — 100% free, no signup, no ads. Just play.

Can I play other Ohio quizzes?

Yes — see the sibling games above. Ohio appears in every Statedoku mini-game.