Blocker is an unincorporated community located on State Highway 31 in Pittsburg County, Oklahoma, United States.
[1] The post office opened April 26, 1905.
The community is said to have been named for a local coal dealer, Eads Blocker.
[2] At the time of its founding, Blocker was located in Gaines County, Choctaw Nation, in the Indian Territory.
This Oklahoma state location article is a stub.