号ごう棟とうMeanings1suffixsuffix for building numbersUsed in addresses to indicate a specific building within a complex, often following a block number. Common in apartment and office building addresses.住じゅう所しょは東京都新宿区西新宿とうきょうとしんじゅくくにししんじゅくにの2-8-1号棟のいちごうとうです。The address is Building 1, 2-8-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo.
