Unicode/ISO-10646 Symbols and Punctuation

2000 - 206F
General Punctuation
2070 - 209F
Superscripts and Subscripts
20A0 - 20CF
Currency Symbols
20D0 - 20FF
Combining Diacritical Marks for Symbols
2100 - 214F
Letterlike Symbols
2150 - 218F
Number Forms
2190 - 21FF
Arrows
2200 - 22FF
Mathematical Operators
2300 - 23FF
Miscellaneous Technical (extended in 1.1)
2400 - 243F
Control Pictures
2440 - 245F
Optical Character Recognition
2460 - 24FF
Enclosed Alphanumerics
2500 - 257F
Box Drawing
2580 - 259F
Block Elements
25A0 - 25FF
Geometric Shapes
2600 - 26FF
Miscellaneous Symbols
2700 - 27BF
Dingbats

Part of Notes on CJK Character Codes and Encodings.