ばんごうけいぞくせい 番号継続制 LinksSentence search for 番号継続制Sentence search for ばんごうけいぞくせいKanji details for 番, 号, 継, 続 and 制Edit in JMdict Noun1. (mobile phone) number portability (introduced to Japan in October 2005)See also ナンバーポータビリティー Discussions Log in to talk about this word.