Keihin-Tōhoku Line
Isogo Station is served by the Negishi Line from to in Kanagawa Prefecture. with through services inter-running to and from the Keihin-Tōhoku Line and also the Yokohama Line. It is 9.5 kilometers from the terminus of the Negishi line at Yokohama, and 68.6 kilometers from the northern terminus of the Keihin-Tōhoku Line at .