Grant is an unincorporated community in Choctaw County, Oklahoma, United States. It is located along U.S. Route 271 south of Hugo. As of the 2010 census it had a population of 289. Established on the Frisco Railroad in the Indian Territory, the Grant Post Office opened on January 31, 1889. It was named for Ulysses S. Grant. The ZIP code is 74738.