The Nushu block spans U+1B170U+1B2FF, 400 codepoints in Plane 1 (Supplementary Multilingual Plane). 396 are assigned in Unicode 16.0; the other 4 are reserved for future characters.

All of its characters belong to the Nushu script.

By general category: 396 other letters (Lo).

The first 396 arrived in Unicode 10.0 (2017).

396 characters are East Asian Wide or Fullwidth and take two columns in terminals.

Because it lies outside the BMP, every character here takes four bytes in UTF-8 and a surrogate pair in UTF-16.