American symbols

Missouri Abbreviation

Seal and Nickname

What is the Abbreviation for Missouri?
The two digit state code or abbreviation of Missouri (MO) known as the "Show Me State". Missouri has 114 counties, and the capital of the State is Jefferson City.


The two digit state code or abbreviation of Missouri is an anomaly (see below).  The two letter, no-period state abbreviation of MO is recommended by the U.S. Postal Service and should always be used where a ZIP code follows. The purpose of introducing the MO Abbreviation for Missouri was to make room for ZIP codes in the mailing addresses. There was no attempt to standardize the format which is why they are usually memorized.

Map of Missouri


Missouri Anomaly
Missouri (MO) is a confusing because the format of its abbreviation is different  from any other state. The abbreviation 'MO' arose due to both Mississippi and Missouri  beginning with 'Miss' and ending with the letter 'I'. The abbreviation for Missouri ended up as 'MO' as the letter 'O' is the most obvious letter in the name.

AP State Abbreviation
The AP State Abbreviations, the old State Abbreviations, are still in use. The AP State Abbreviation for Missouri is:


The Associated Press (AP) style of abbreviation, the old style, is still used by journalists and business people. As some two digit state codes are determined from the first and last letter of the old abbreviation they are important to those learning about the abbreviations of the US States.

Map showing location of Missouri in USA

Where is Missouri? (MO)

The State of Missouri is located in the central United States.

Missouri - (MO) - Mo.


Abbreviation of Missouri - Two Digit State Code Rules
There is no standard format to the State Abbreviations. It's therefore not surprising that you needed to know "What is the Abbreviation for Missouri?  The rules to determine the state acronym, or abbreviation is by the 'First Two Letters', the 'First and Last Letter', the 'Initial Letter of 2 words' and those determined by the 'First and Last Letter of the Old Abbreviation'.

Play the Abbreviation of States Game MO!
You now know that the Missouri abbreviation is MO. But what about the abbreviation for all the other US states? We have developed an Abbreviation of States Game to play. It's a totally free, multiple choice, online, picture quiz game with no downloads required. Free fun as you learn!


Missouri Abbreviation (MO)

Initials & Acronym - MO
Initials determined by an anomaly
Facts about AP style
Missouri - (MO) - Mo.
What state is MO? Abbr. of states
Interesting facts about the two digit code
Old states initials, letters and acronym
Two letter abbreviation of Missouri (MO)

Abbreviation (MO)

US - American- Missouri - MO - Mo. - Map - Postal - Mailing - AP Style - Addresses - Initials - Letters - Digits - Zip Codes - Two Digit State Code - Facts - Info - Information - Kids - Children - Business - Businesses - America - United States - US - USA - MO - Mo.

June 2015 Siteseen Ltd.

Cookie Policy Privacy Statement