Kollamaddi is a village in Gambhiraopet tehsil in district of Karimnagar, Telangana, India. As per the data provided by Census of India in 2011, total population of Kollamaddi was 1,303 which includes 636 males and 667 females. Kollamaddi covers 488 ha area. Pincode of Kollamaddi is 505304.