Phulkaul is a village in Ramnagar tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Phulkaul was 2,401 which includes 1,254 males and 1,147 females. Phulkaul covers 181 ha area. Pincode of Phulkaul is 845106.