Phulwariya is a village in Ramgarhwa tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Phulwariya was 12,153 which includes 6,459 males and 5,694 females. Phulwariya covers 576.3 ha area. Pincode of Phulwariya is 845433.