he Ainokaze Toyama Railway portion of the station has one ground-level side platform and one ground-level island platform connected by a footbridge. The station is staffed. The Toyama Chihō Railway portion of the station has a single unnumbered ground-level side platform serving a single bi-directional track.
Namerikawa Station was opened on 24 March 1906, and was nationalised in 1908, becoming part of the Japanese Government Railways network, and subsequently the Japanese National Railways (JNR). The Toyama Chihō Railway portion of the station opened on 25 June 1913.
From 14 March 2015, with the opening of the Hokuriku Shinkansen extension from Nagano to Kanazawa, local passenger operations over sections of the former Hokuriku Main Line running roughly parallel to the new shinkansen line were reassigned to different third-sector railway operating companies.[1] From this date, Namerikawa Station was transferred to the ownership of the third-sector operating company Ainokaze Toyama Railway.
In fiscal 2015, the Ainokaze Toyama Railway portion of the station was used by an average of 1368 passengers daily (boarding passengers only).[2] The Toyama Chihō Railway portion of the station was used by 319 passengers daily.[3]
^しなの鉄道（株）、えちごトキめき鉄道（株）、あいの風とやま鉄道（株）及びＩＲいしかわ鉄道（株）申請の第一種鉄道事業許可について [Details of railway business approval for Shinano Railway, Echigo Tokimeki Railway Company, Ainokaze Toyama Railway, and IR Ishikawa Railway]. News release (in Japanese). Japan: Ministry of Land, Infrastructure, Transport and Tourism. 26 February 2014. Retrieved 22 March 2014.
