Umrangso is a Sub-District (Tehsil/Block/Mandal) in the Dima Hasao District of Assam. As par Census 2011 information the sub-district code of Umrangso is 02092. There are about 4 sub-districts in Dima Hasao and Umrangso is one of them. Haflong, Mahur, Maibong etc. are other sub-districts in Dima Hasao.There are about 199 villages in Umrangso sub-district, which you can browse from villages list.