Longkhom Ponthai is a village in Bordumsa tehsil in district of Changlang, Arunachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Longkhom Ponthai was 268 which includes 123 males and 145 females. Longkhom Ponthai covers N/A area. Pincode of Longkhom Ponthai is N/A.