?字UNICODE编码U+28C6A,10进制: 167018,UTF-32: 00028C6A,UTF-8: F0 A8 B1 AA。(zI.TtCx.NET)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(TtCx.NET)