940 Area Code is for Dallas, Fort Worth, Arlington, Gainesville, Mineral Wells, Sherman, Denison, Vernon, Wichita Falls in Archer, Baylor, Childress, Clay, Cooke, Cottle, Denton, Foard, Grayson, Hardeman, Haskell, Jack, Knox, Montague, Palo Pinto, Parker, Stephens, Stonewall, Throckmorton, Wichita, Wilbarger, Wise, Young, in Texas

Cities in Area Code 940	Alvord, Archer City, Argyle, Aspermont, Aubrey, Bartonville, Bellevue, Benjamin, Bluegrove, Bonita, Boonsville, Bowie, Boyd, Bridgeport, Bryson, Burkburnett, Byers, Carrollton, Cee Vee, Charlie, Chico, Childress, Chillicothe, Cleburne, Crowell, Dallas, Decatur, Denton, Elbert, Electra, Eliasville, Farmers Branch, Forestburg, Frisco, Ft Worth, Gainesville, Goodlett, Graford, Graham, Grand Prairie, Haskell, Henrietta, Holliday, Iowa Park, Irving, Jacksboro, Jermyn, Joplin, Joy, Justin, Kamay, Kirkland, Knox City, Krum, Lake Arrowhead, Lake Dallas, Lake Kemp, Lake Kickapoo, Lewisville, Loving, Medicine Mound, Megargel, Millsap, Mineral Wells, Montague, Muenster, Munday, Myra, Newcastle, Nocona, Odell, Oklaunion, Olney, Orth, Palo Pinto, Paradise, Perrin, Petrolia, Pilot Point, Plano, Ponder, Possum Kingdom Lake, Quanah, Richardson, Ringgold, Rochester, Rosston, Rule, Runaway Bay, Sanger, Santo, Scotland, Seymour, Slidell, Spanish Fort, St Jo, Sunset, Thalia, Throckmorton, Tioga, Truscott, Valley View, Vernon, Weinert, Wichita Falls, Windthorst, Woodson
Metropolitan Statisitical Areas in Area Code 940	Dallas, Fort Worth, Arlington, Gainesville, Mineral Wells, Sherman, Denison, Vernon, Wichita Falls
Counties in Area Code 940	Archer, Baylor, Childress, Clay, Cooke, Cottle, Denton, Foard, Grayson, Hardeman, Haskell, Jack, Knox, Montague, Palo Pinto, Parker, Stephens, Stonewall, Throckmorton, Wichita, Wilbarger, Wise, Young
States / Provinces	Texas

Area Code (940)