Home›Balvanera›온세역🌐한국어EnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусский한국어EntityQ871946· pop 10온세역Also known as Oncemetro station in Buenos AiresWikidata factsImageBuenos Aires - Subte - Once 1.jpgShow 5 more factsnumber of platform faces2inception2007-00-00Commons categoryOnce (Subte de Buenos Aires)number of platform tracks2date of official opening2007-10-18Sources (3)wikidata.orges.wikipedia.orgen.wikipedia.orgAvailable in 9 languagesEspañolРусскийPortuguêsItalianoEsperantoLombardPolski한국어via Wikidata sitelinks · CC0ConnectionsPlaza MiserereEntityCategoriesBalvaneraBuenos Aires Underground stationsRailway stations in Argentina opened in 2007