is a passenger railway station located in Kanagawa-ku, Yokohama, Kanagawa Prefecture, Japan, operated by the private railway company Tokyu Corporation.
Tammachi Station is served by the Tà Âkyà « Tà Âyoko Line from in Tokyo to in Kanagawa Prefecture. It is 23.2 kilometers from the terminus of the line at .
The station consists of a single island platform serving two tracks, located four stories underground from the station building.
Tammachi Station was opened on February 14, 1926. It was rebuilt on January 31, 2006, as an underground station. The new station building opened on March 28, 2008.
In fiscal 2019, the station was used by an average of 13,562 passengers daily.
The passenger figures for previous years are as shown below.