The Syloti Nagri block spans U+A800–U+A82F, 48 codepoints in Plane 0 (Basic Multilingual Plane). 45 are assigned in Unicode 16.0; the other 3 are reserved for future characters.
All of its characters belong to the Syloti Nagri script.
By general category: 32 other letters (Lo), 6 non-spacing marks (Mn), 4 other symbols (So), 3 spacing marks (Mc).
The first 44 arrived in Unicode 4.1 (2005); later additions came in 13.0 (1).