Ananthanallur is a village in Kuthalam tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Ananthanallur was 1,406 which includes 675 males and 731 females. Ananthanallur covers 328.05 ha area. Pincode of Ananthanallur is 609404.