is a subway station on the Tokyo Metro Yurakucho Line in the Kōjimachi neighborhood of Chiyoda, Tokyo, Japan, operated by the Tokyo Subway operator Tokyo Metro. Its station number is Y-15.
Lines Kōjimachi Station is served by the Tokyo Metro Yūrakuchō Line.
Station layout The station consists of two side platforms, with platform 1 located on the second basement ("B2F") level and platform 2 located on the third basement "B3F" level.
History The station was opened on 30 October 1974 by the Teito Rapid Transit Authority (TRTA).
Passenger statistics An average of 54,889 passengers used this station daily in fiscal 2006.駅別乗降人員順位表（平成18年度1日平均）
See also List of railway stations in Japan
References
External links
Kōjimachi Station information