Chak Phantah is a village in Domariyaganj tehsil in district of Siddharth Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Chak Phantah was 355 which includes 177 males and 178 females. Chak Phantah covers 33.97 ha area. Pincode of Chak Phantah is N/A.