Suarchhap is a village in Lauriya tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Suarchhap was 4,542 which includes 2,368 males and 2,174 females. Suarchhap covers 473 ha area. Pincode of Suarchhap is 845449.