Block from U+A980 to U+A9DF. This block was introduced in Unicode version 5.2 (2009). It contains 91 codepoints.
The Wikipedia provides the following information on block Javanese:
Javanese is a Unicode block containing aksara Jawa characters traditionally used for writing the Javanese language. The Javanese script was added to the Unicode Standard in October 2009 with the release of version 5.2.
The Unicode block for Javanese is U+A980–U+A9DF. There are 91 codepoints for Javanese script: 53 letters, 19 punctuation marks, 10 numbers, and 9 vowels: