Kana.

0 1 2 3 4 5 6 7 8 9 A B C D E F
304x
305x
306x
307x
308x
309x
30Ax
30Bx
30Cx
30Dx
30Ex
30Fx

Code points U+3040, U+3097, and U+3098 are unassigned as of Unicode 4.1

Additionally, there are halfwidth equivalents to the standard fullwidth katakana. These are encoded within the Halfwidth and Fullwidth Forms block (U+FF00–U+FFEF), starting at U+FF65 and ending at U+FF9F (characters U+FF61–U+FF64 are halfwidth punctuation marks):

0 1 2 3 4 5 6 7 8 9 A B C D E F
FF6x
FF7x ソ
FF8x
FF9x

There is also a small "Katakana Phonetic Extensions" range (U+31F0 ... U+31FF), which includes some extra characters for writing the Ainu language.

0 1 2 3 4 5 6 7 8 9 A B C D E F
31Fx

Unicode version 6.0 also includes "Katakana letter archaic E" (U+1B000) and "Hiragana letter archaic YE" (U+1B001) in the Kana Supplement block.[2]

0 1 2 3 4 5 6 7 8 9 A B C D E F
1B00x 𛀀 𛀁