The Zanabazar Square block spans U+11A00–U+11A4F, 80 codepoints in Plane 1 (Supplementary Multilingual Plane). 72 are assigned in Unicode 16.0; the other 8 are reserved for future characters.
All of its characters belong to the Zanabazar Square script.
By general category: 42 other letters (Lo), 21 non-spacing marks (Mn), 8 other punctuation (Po), 1 spacing marks (Mc).
The first 72 arrived in Unicode 10.0 (2017).
Because it lies outside the BMP, every character here takes four bytes in UTF-8 and a surrogate pair in UTF-16.