Concho is a rural unincorporated community in Canadian County, Oklahoma. It is north of the Concho Indian Boarding School. The post office opened April 20, 1915. The ZIP code is 73022. The school and post office were named for Indian agent, Charles E. Shell. It is the headquarters of the Cheyenne and Arapaho Tribes.
- ^ U.S. Geological Survey Geographic Names Information System: Concho, Oklahoma
- ^ Shirk, George H. Oklahoma Place Names. Norman: University of Oklahoma Press, 1987. ISBN 0-8061-2028-2.
- ^ Oklahoma Indian Affairs. Oklahoma Indian Nations Pocket Pictorial Directory. Archived February 11, 2009, at the Wayback Machine. 2008:7