Oklahoma: state flag, capital and facts

State flag of Oklahoma

Oklahoma is a US state in the South region. Its capital is Oklahoma City, and its postal abbreviation is OK. Known as the Sooner State, it joined the Union on November 16, 1907 as the 46th state. Oklahoma City is also its largest city.

The Oklahoma state flag shows an Osage warrior's shield with a peace pipe and an olive branch on sky blue, above the word "Oklahoma".

Oklahoma at a glance

Capital
Oklahoma City
Largest city
Oklahoma City
Nickname
The Sooner State
Statehood
November 16, 1907 (46th state)
Region
South
Postal abbreviation
OK

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States bordering Oklahoma

More states in the South

Frequently asked questions

The capital of Oklahoma is Oklahoma City.

Oklahoma is in the South region of the United States.

The postal abbreviation for Oklahoma is OK.

Oklahoma is known as the Sooner State.

Oklahoma became the 46th state on November 16, 1907.

Oklahoma shares a land border with Arkansas, Colorado, Kansas, Missouri, New Mexico and Texas.

The flag of Oklahoma shows an Osage warrior's shield with a peace pipe and an olive branch on sky blue, above the word "Oklahoma".