?字UNICODE编码U+28AA8,10进制: 166568,UTF-32: 00028AA8,UTF-8: F0 A8 AA A8。汉语字典由Zi.TtCx.Net提供
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(ZI.tTcX.NET)