Afun Station was served by the Rumoi Main Line. The station was unstaffed.
|Rumoi Main Line|
On 10 August 2015, JR Hokkaido announced its plans to close the 16.7 km section of the line beyond Rumoi to Mashike in 2016. In April 2016, it was officially announced that the section from Rumoi to Mashike would be closing in December 2016, with the last services operating on 4 December.
- 留萌線（留萌～増毛間）の鉄道事業廃止について [Closure of Rumoi Line between Rumoi and Mashike]. Tetsudo Hobidas (in Japanese). Japan: Neko Publishing Co., Ltd. 10 August 2015. Retrieved 11 August 2015.
- ＪＲ留萌線留萌―増毛間１２月４日に廃止 増毛町が同意 [Mashike agrees to closure of JR Rumoi Line between Rumoi and Mashike on 4 December]. Doshin Web (in Japanese). Japan: The Hokkaido Shimbun Press. 8 April 2016. Retrieved 14 April 2016.
- JR Hokkaido station information (Japanese)
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