Hoyt is an unincorporated community and census-designated place in Haskell County, Oklahoma, United States. The community is 3.9 miles west-northwest of Whitefield. A post office was established at Hoyt, Indian Territory on August 19, 1890. It was named for Babe Hoyt, a local ferryboat operator. The post office closed on April 17, 2004; it still ha…Hoyt is an unincorporated community and census-designated place in Haskell County, Oklahoma, United States. The community is 3.9 miles west-northwest of Whitefield. A post office was established at Hoyt, Indian Territory on August 19, 1890. It was named for Babe Hoyt, a local ferryboat operator. The post office closed on April 17, 2004; it still has its own ZIP code, 74440.