Isham is an unincorporated community in Scott County, Tennessee, United States.[1] Quick Facts Country, State ...Isham, TennesseeUnincorporated communityIsham, TennesseeShow map of TennesseeIsham, TennesseeShow map of the United StatesCoordinates: 36°35′41″N 84°26′20″WCountryUnited StatesStateTennesseeCountyScottElevation[1]1,355 ft (413 m)Time zoneUTC-5 (Eastern (EST)) • Summer (DST)UTC-4 (EDT)Area code423GNIS feature ID1289076[1]Close [1]"Isham, Tennessee". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. This Scott County, Tennessee geography–related article is a stub. You can help Wikipedia by expanding it.vte