| Codepage | Character | Description | UTF-8 codepoint | UTF-8 bytes |
|---|---|---|---|---|
| DOS / 437 | # | NUMBER SIGN | U+0023 | 0x23 |
| DOS / 720 | # | NUMBER SIGN | U+0023 | 0x23 |
| DOS / 737 | # | NUMBER SIGN | U+0023 | 0x23 |
| DOS / 850 | # | NUMBER SIGN | U+0023 | 0x23 |
| DOS / 852 | # | NUMBER SIGN | U+0023 | 0x23 |
| DOS / 855 | # | NUMBER SIGN | U+0023 | 0x23 |
| DOS / 858 | # | NUMBER SIGN | U+0023 | 0x23 |
| DOS / 866 | # | NUMBER SIGN | U+0023 | 0x23 |
| DOS / 869 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-1 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-10 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-11 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-13 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-14 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-15 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-16 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-2 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-3 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-4 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-5 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-6 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-7 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-8 | # | NUMBER SIGN | U+0023 | 0x23 |
| ISO/IEC / ISO-8859-9 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1250 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1251 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1252 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1253 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1254 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1255 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1256 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1257 | # | NUMBER SIGN | U+0023 | 0x23 |
| Windows / Windows-1258 | # | NUMBER SIGN | U+0023 | 0x23 |