Periapillaivalasai is a village in Shenkottai tehsil in district of Tirunelveli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Periapillaivalasai was 6,673 which includes 3,341 males and 3,332 females. Periapillaivalasai covers 474.57 ha area. Pincode of Periapillaivalasai is 627810.