This is a list of all stations of the Delhi Metro, a rapid transit system serving Delhi and its satellite cities in the National Capital Region of India. The network consists of 10 colour-coded lines serving 255 stations with a total length of 348.12 kilometres (216.31 mi). Delhi Metro is built and operated by the Delhi Metro Rail Corporation Limited (DMRC) and the first section was opened on 25 December 2002 on the Red Line. Sikanderpur station offers an interchange with Gurgaon Metro via a 90 m × 9 m walkway. Noida Sector 52 station offers an interchange with Noida Metro.