Nattarmangalam is a village in Kallakkurichi tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nattarmangalam was 739 which includes 354 males and 385 females. Nattarmangalam covers 291.83 ha area. Pincode of Nattarmangalam is 606204.