Piprahi Sultanpur is a village in Bairgania tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Piprahi Sultanpur was 1,702 which includes 903 males and 799 females. Piprahi Sultanpur covers 127 ha area. Pincode of Piprahi Sultanpur is 843313.