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California · USPS Abbreviation

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

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California's 2-letter postal abbreviation

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

Why CA?

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

Quick facts

USPS code
CA
Capital
Sacramento
Largest city
Los Angeles
Region
West
Admitted to Union
1850
Nickname
Golden State
Electoral votes
54
Bordering states
Arizona, Nevada, Oregon

Other California games

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

More about California

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

Frequently asked

What is California's abbreviation?

CA.

Is this game free?

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

Can I play other California quizzes?

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