The Cham block spans U+AA00–U+AA5F, 96 codepoints in Plane 0 (Basic Multilingual Plane). 83 are assigned in Unicode 16.0; the other 13 are reserved for future characters.
All of its characters belong to the Cham script.
By general category: 52 other letters (Lo), 12 non-spacing marks (Mn), 10 decimal digits (Nd), 5 spacing marks (Mc), 4 other punctuation (Po).
The first 83 arrived in Unicode 5.1 (2008).