Pachbhirwa is a village in Sangrampur tehsil in district of Purba Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Pachbhirwa was 3,911 which includes 2,075 males and 1,836 females. Pachbhirwa covers 282 ha area. Pincode of Pachbhirwa is 845417.