Mamillavai is a village in Aswapuram tehsil in district of Khammam, Telangana, India. As per the data provided by Census of India in 2011, total population of Mamillavai was 1,264 which includes 609 males and 655 females. Mamillavai covers 5162 ha area. Pincode of Mamillavai is 507116.