字母“ H”也用于创建一对区域指示符符号，它们编码为🇭🇰 Hong Kong flag的HK码之类的代码，在支持的平台上显示为emoji标志。
| 类别 | ❗ Format |
| 亚组 | Letter |
| Codepoints | 1F1ED |
| HTML hex | 🇭 |
| HTML dec | 🇭 |
| URL escape code | %F0%9F%87%AD |
| Punycode | xn--l77h |
| Bytes (UTF-8) | f0 9f 87 ad |
| JavaScript, JSON, Java | \uD83C\uDDED |
| C, C++, Python | \U0001f1ed |
| CSS | \01F1ED |
| PHP, Ruby | \u{1F1ED} |
| Perl | \x{1F1ED} |
