Zenas, IndianaZenas is an unincorporated community in Columbia [Township, Jennings County, Indiana|Columbia Township], Jennings [County, Indiana|Jennings County], Indiana.HistoryZenas was platted in 1837, and was likely named after a figure in the Epistle to Titus. A post office was established at Zenas in 1839, and remained in operation until it was discontinued in 1911.