Khanpur is a Sub-District (Tehsil/Block/Mandal) in the Samastipur District of Bihar. As par Census 2011 information the sub-district code of Khanpur is 01287. There are about 20 sub-districts in Samastipur and Khanpur is one of them. Bibhutpur, Bithan, Dalsinghsarai, Hasanpur, Kalyanpur, Mohanpur, Mohiuddinagar, Morwa, Patori, Pusa, Rosera, Samastipur, Sarairanjan, Shivaji Nagar, Singhia, Tajpur, Ujiarpur, Vidyapati Nagar, Warisnagar etc. are other sub-districts in Samastipur.There are about 59 villages in Khanpur sub-district, which you can browse from villages list.