Sonaribari Block is a village in Narayanpur tehsil in district of Lakhimpur, Assam, India. As per the data provided by Census of India in 2011, total population of Sonaribari Block was 522 which includes 275 males and 247 females. Sonaribari Block covers 38 ha area. Pincode of Sonaribari Block is 784164.