Tsuchizaki Station is served by the Ōu Main Line, and is located 292.3 km from the starting point of the line at Fukushima Station. The Oga Line train services also stop at this station, which is past the nominal terminus of the line at Oiwake.
There was a 1.8 km freight branch line from this station to Akita Port Station.
Station layout
The station has two unnumbered opposed side platforms serving two tracks connected by a footbridge. The station is attended.