Oklahoma, is a state of the United States of America. Oklahoma is the 46th state of the USA constituted in 1907. Oklahoma City is the capital city of Oklahoma.
Where in the United States is Oklahoma? Location map of Oklahoma in the US.
Oklahoma is divided into 77 counties.
|Joined The Union:||November 16, 1907|
Area Codes in Oklahoma - Below are all the area codes in Oklahoma. Clicking on an area code will show the cities in that area code.Oklahoma has area codes of 405, 539, 580, 918.