Kamiooka

Weekday departures: 638/day in the available timetable data · Sat & holiday departures: 108/day in the available timetable data

Earliest / latest departure in the available data (weekday): 5:01 / 24:35 (00:35 next day)

Busiest hour in the available data: 17:00–18:00 (42)

0:00 ─ 23:00

Figures are typical departures in the timetable data, not a live service count.

Timetable data as of 5 May 2026.

The timetable data is incomplete for some or all lines at this station, so the weekday and Sat & holiday figures are departures in the available timetable data, not totals.

Lines where the timetable data is incomplete:

• Blue Line: timetable data withheld pending licensing
• Keikyu Main Line: no Saturday, Sunday or holiday timetable

• Keikyu Main Line: Gumyoji (Keikyu) ⇄ Byobugaura

Kamiōoka Station opened on 1 April 1930 as a Shōnan Electric Railway (now Keikyū) stop. Passing loops entered service on 15 December 1951, and the original Keihin Department Store building was completed on 12 April 1963. The Yokohama Municipal Subway connected on 16 December 1972. A new mixed-use building "Yume Ōoka" opened on 1 October 1996 housing Keikyū Department Store, with Keikyū's elevated platforms following in May and June 1997. Platform-edge doors were installed on the subway side in July 2007 and on the Keikyū side in late 2019 and early 2020. The district around the station is designated one of Yokohama's principal living hubs, a status formerly termed a city sub-centre.

Yuzu's hit song "Natsuiro" has served as the Keikyū platform approach melody since 25 November 2008; Yuzu are from Okamura, in neighbouring Isogo Ward.