Oklahoma

U.S. Marshals Service offices are based on the organizational structure of the Federal District Court system. Oklahoma is divided into three judicial districts that are referred to as the Northern, Eastern and Western Districts of Oklahoma.

	Northern District of Oklahoma: The Northern District comprises the counties of Craig, Creek, Delaware, Mayes, Nowata, Osage, Ottawa, Pawnee, Rogers, Tulsa, and Washington. Court for the Northern District is held in Bartlesville, Miami, Pawhuska, Tulsa, and Vinita.

	Eastern District of Oklahoma: The Eastern District comprises the counties of Adair, Atoka, Bryan, Carter, Cherokee, Choctaw, Coal, Haskell, Hughes, Johnston, Latimer, Le Flore Love, McCurtain, McIntosh, Marshall, Murray, Muskogee, Okfuskee, Okmulgee, Pittsburg, Pontotoc, Pushmataha, Seminole, Sequoyah, and Wagoner. Court for the Eastern District is held in Ada, Ardmore, Durant, Hugo, Muskogee, Okmulgee, Poteau, and S. McAlester.

	Western District of Oklahoma: The Western District comprises the counties of Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian, Cimarron, Cleveland, Comanche, Cotton, Custer, Dewey, Ellis, Garfield, Garvin, Grady, Grant, Greer, Harmon, Harper, Jackson, Jefferson, Kay, Kingfisher, Kiowa, Lincoln, Logan, McClain, Major, Noble, Oklahoma, Payne, Pottawatomie, Roger Mills, Stephens, Texas, Tillman, Washita, Woods, and Woodward. Court for the Western District is held in Chickasha, Enid, Guthrie, Lawton, Mangum, Oklahoma City, Pauls Valley, Ponca City, Shawnee, and Woodward
The organizational structure of the district can be found in the United States Code Title 28, Part I, Chapter 5, Section 116.