?字UNICODE编码U+20FEF,10进制: 135151,UTF-32: 00020FEF,UTF-8: F0 A0 BF AF。(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)