The number four (4) key on the phone's keypad. Often used as a menu selection option in a call or when dialing a phone number.
| Category | ✅ Symbols |
| Subgroup | Keycap |
| Codepoints | 0034 FE0F 20E3 |
| Shortcode | :four: |
| HTML hex | 4️⃣ |
| HTML dec | 4️⃣ |
| URL escape code | 4%EF%B8%8F%E2%83%A3 |
| Punycode | xn--4-2sn |
| Bytes (UTF-8) | EF B8 8F E2 83 A3 |
| JavaScript, JSON, Java | 4\uFE0F\u20E3 |
| C, C++, Python | 4\uFE0F\u20E3 |
| CSS | 4\FE0F \20E3 |
| PHP, Ruby | 4\u{FE0F}\u{20E3} |
| Perl | 4\x{FE0F}\x{20E3} |
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