Area Codes in Nukuʻalofa
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 20 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
| 21 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
| 22 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
| 23 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
| 24 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
| 25 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
| 26 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
| 27 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
| 28 | Nukuʻalofa | Tongatapu | 22,400 | Tonga | Pacific/Tongatapu |
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