Effective April 25, 2009, the state of Texas will be split into three geographic regions based on county. Please refer to the following map and chart below for a list of the 254 counties in the state of Texas and their respective region assignment.

| North Texas | South Central Texas | Southeast Texas | ||
| Anderson Andrews Archer Armstrong Bailey Baylor Borden Bosque Bowie Briscoe Brown Callahan Camp Carson Cass Castro Cherokee Childress Clay Cochran Coke Coleman Collin Collingsworth Comanche Cooke Coryell Cottle Crosby Dallam Dallas Dawson Deaf Smith Delta Denton Dickens Donley Eastland Ector Ellis Erath Fannin Fisher Floyd Foard Franklin Freestone Gaines Garza Glasscock Gray Grayson Gregg Hale Hall Hamilton Hansford Hardeman Harrison Hartley Haskell Hemphill Henderson Hill Hockley Hood Hopkins Howard Hunt Hutchinson Jack Johnson Jones Kaufman Kent King Knox Lamar Lamb Lampasas Limestone Lipscomb Loving Lubbock Lynn Marion Martin McLennan Midland Mills Mitchell Montague Moore Morris Motley Navarro Nolan Ochiltree Oldham Palo Pinto Panola Parker Parmer Potter Rains Randall Red River Roberts Rockwall Runnels Rusk Scurry Shackelford Sherman Smith Somervell Stephens Sterling Stonewall Swisher Tarrant Taylor Terry Throckmorton Titus Upshur Van Zandt Wheeler Wichita Wilbarger Winkler Wise Wood Yoakum Young |
Aransas Atascosa Bandera Bastrop Bee Bell Bexar Blanco Brewster Brooks Burnet Caldwell Calhoun Cameron Comal Concho Crane Crockett Culberson DeWitt Dimmit Duval Edwards El Paso Falls Fayette Frio Gillespie Goliad Gonzales Guadalupe Hays Hidalgo Hudspeth Irion Jackson Jeff Davis Jim Hogg Jim Wells Karnes Kendall Kenedy Kerr Kimble Kinney Kleberg La Salle Lavaca Lee Live Oak Llano Mason Maverick McCulloch McMullen Medina Menard Milam Nueces Pecos Presidio Reagan Real Reeves Refugio San Patricio San Saba Schleicher Starr Sutton Terrell Tom Green Travis Upton Uvalde Val Verde Victoria Ward Webb Willacy Williamson Wilson Zapata Zavala |
Angelina Austin Brazoria Brazos Burleson Chambers Colorado Fort Bend Galveston Grimes Hardin Harris Houston Jasper Jefferson Leon Liberty Madison Matagorda Montgomery Nacogdoches Newton Orange Polk Robertson Sabine San Augustine San Jacinto Shelby Trinity Tyler Walker Waller Washington Wharton |

