Pethanadarpatti is a village in Alangulam tehsil in district of Tirunelveli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Pethanadarpatti was 10,996 which includes 5,471 males and 5,525 females. Pethanadarpatti covers 902.21 ha area. Pincode of Pethanadarpatti is 627808.