Area code 580 serves which city in and the county seat of Pontotoc County, Oklahoma, United States?
Area code 580: Area code 580 serves the state of Oklahoma, serving places away from the Oklahoma City or Tulsa areas, including: Ada, Boise City, Lawton, Enid, Ponca City, Altus, Frederick, Weatherford, Guymon, Durant, and Ardmore. Ada, Oklahoma: Ada is a city in and the county seat of Pontotoc County, Oklahoma, United States.
i don't know