Area code 405 serves the state of Oklahoma. It covers Oklahoma City, Edmond, Norman, Shawnee, Chickasha and other areas in central Oklahoma. Official language(s) None Capital Oklahoma City Largest city Oklahoma City Area Ranked 20th - Total 69,960 sq mi (181,196 km²) - Width 230 miles (370 km) - Length 298 miles (480 km) - % water 1. ... Downtown Oklahoma City The State Capitol of Oklahoma From The South Motto: Nickname: Capital of the New Century Founded 1889 Incorporated County Oklahoma County Cleveland County Canadian County Borough {{{borough}}} Parrish {{{parrish}}} Mayor Mick Cornett Area - Total - Water 1,608. ... Edmond may refer to: Places in the United States: Edmond, Kansas Edmond, Oklahoma Edmonds, Washington People: Edmond de Goncourt Edmond James de Rothschild Edmond - the 1985 play by David Mamet. ... Norman may refer to: the Normans, the Norman people. ... The Shawnee, or Shawano, are a people native to North America. ... Chickasha is a city located in Grady County, Oklahoma. ...