There are a handful of different EBCDIC Code Pages and similar to ASCII, the first few characters are Non-Printable Here is the set of codes employed in all IBM System/360 machines. DecHexOctBinaryCharacterDescription 0 00 000 00000000 NUL Null 1 01 001 00000001 SOH Start Of Heading 2 02...
All UTF-8 (or UTF-EBCDIC) variant code points occupy at least two bytes when encoded in UTF-8 (or UTF-EBCDIC); by definition, the UTF-8 (or UTF-EBCDIC) invariant code points are exactly one byte whether encoded in UTF-8 (or UTF-EBCDIC), or not. (By now you see why people typi...