The corporation is divided into three zones (North, Central and South), with the headquarters in Thiruvananthapuram (Kerala's capital city). Daily scheduled service has increased from 1,200,000 kilometres (750,000 mi) to 1,422,546 kilometres (883,929 mi),[16] using 6,241 buses on 6,389 routes. At present the corporation has 5373 buses running on 4795 schedules.[17][18]