Some cities covered by area code 214 are Allen, Arlington, Carrollton, Cedar Hill, Coppell, Dallas, DeSoto, Duncanville, Farmers Branch, Flower Mound, Frisco, Garland, Grand Prairie, Irving, Lancaster, Levittown, Lewisville, McKinney, Mesquite, Plano, Richardson, Rowlett, The Colony, University Park, Waxahachie