Area code 580 serves southwestern and western Oklahoma, including Lawton, Enid, and Ardmore. Created in 1997 from a split with area code 405, it covers mostly rural and smaller urban communities with strong ties to agriculture, energy, and military bases. Seven-digit dialing remains common. Area code 580 reflects the wide-ranging geography and economy of rural Oklahoma, emphasizing the state’s agricultural heritage, energy production, and tight-knit communities.