Law Enforcement Agencies in Erwin, TN TN › Unicoi County Agencies serving the city of Erwin in TN. Agency Types in Erwin County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Erwin, TN Erwin Police Department Unicoi County Unicoi County Jail Unicoi County Unicoi County Sheriffs Department Unicoi County
