Shinjuku-sanchōme

Overview
Shinjuku-sanchome Station (新宿三丁目駅, Shinjuku-sanchōme-eki) is a subway station in Shinjuku, Tokyo, Japan, operated jointly by the two Tokyo subway operators, Tokyo Metro and Toei Subway.

Lines
Shinjuku-sanchōme Station is served by the following three subway lines. Tokyo metro Fukutoshin Line provides through services to Tokyu Toyoko Line, Seibu Line, Tojo Line and Minatomirai Line. Also Known as F-Liner.
 * Tokyo Metro Marunouchi Line (station number M-09)
 * Tokyo Metro Fukutoshin Line (station number F-13)
 * Toei Shinjuku Line (station number S-02)

Tokyo Metro platforms
The Tokyo Metro Marunouchi Line platforms are located on the second basement ("B2F") level running approximately east to west, and the Fukutoshin Line platforms are located on the third basement ("B3F") level running approximately north to south. They are linked by stairs and escalators at the north end of the Fukutoshin Line platforms and east end of the Marunouchi Line platforms.

Toei subway platforms
The Toei Shinjuku Line platforms are located on the second basement ("B2F") level to the east of the Marunouchi Line platforms.