Unicode/ISO-10646 Restricted Zone
- E000 - F8FF
- Private use Area
- F900 - FAFF
- CJK Compatibility Ideographs
(the duplicate hanja from KSC 5601-1987,
the two duplicate Big-5 characters excluded from
CNS 11643-1986,
and some extra characters from corporate codesets)
- FB00 - FB4F
- Alphabetic Presentation Forms (added in 1.1)
- FB50 - FDFF
- Arabic Presentation Forms-A (added in 1.1)
- FE20 - FE2F
- Combining Half Marks (added in 1.1)
- FE30 - FE4F
- CJK Compatibility Forms (verticals and overlines)
- FE50 - FE6F
- Small Form Variants
- FE70 - FEFE
- Arabic Presentation Forms-B (re-arranged in 1.0.1)
- FF00 - FFEF
- Halfwidth and Fullwidth Forms
(for full round-trip compatibility with existing ASCII+CJK coding schemes;
extended in 1.1)
- FFF0 - FFFD
- Specials
There is also a special character
- FEFF
- ZERO WIDTH NO-BREAK SPACE (formerly BYTE ORDER MARK)
Note also
- FFFD
- REPLACEMENT CHARACTER
which can be used for characters not representable in Unicode/ISO-10646.
Part of Notes on CJK Character Codes and Encodings.