Pharchhahian is a village in Sonbarsa tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Pharchhahian was 2,766 which includes 1,411 males and 1,355 females. Pharchhahian covers 280.95 ha area. Pincode of Pharchhahian is 843330.