Miscellaneous Symbols and Pictographs
Block from U+1F300 to U+1F5FF. This block was introduced in Unicode version 6.0 (2010). It contains 766 codepoints.
The Wikipedia provides the following information on block Miscellaneous Symbols and Pictographs:
Miscellaneous Symbols and Pictographs is a Unicode block containing meteorological and astronomical symbols along with emoji characters largely for compatibility with Japanese telephone carriers' implementations of Shift JIS.
