番ばん号ごう記き号ごうばんごうきごうじ字FuriganaMeanings1nounnumber sign; hash; pound signRefers to the # symbol. In Japanese contexts, it is often called シャープ (sharp) in music or 井桁 (いげた) for the shape, but 番号記号 is a formal term for the symbol used in numbering or as a hash/pound sign.電でん話わ番ばん号ごう