Vorwahlen in Island
| Vorwahl▲ | Stadt↕ | Verwaltungsregion↕ | Einwohnerzahl der Stadt↕ | Land/Region | Zeitzone |
|---|
| 4 | — | — | 308,910 | Island | Atlantic/Reykjavik |
| 421 | Keflavík | Suðurnes | — | Island | Atlantic/Reykjavik |
| 462 | Akureyri | Norðurland eystra | 17,693 | Island | Atlantic/Reykjavik |
| 5 | Reykjavík | Höfuðborgarsvæðið | 118,918 | Island | Atlantic/Reykjavik |
| 551 | Reykjavík | Höfuðborgarsvæðið | 118,918 | Island | Atlantic/Reykjavik |
| 552 | Reykjavík | Höfuðborgarsvæðið | 118,918 | Island | Atlantic/Reykjavik |
| 561 | Reykjavík | Höfuðborgarsvæðið | 118,918 | Island | Atlantic/Reykjavik |
| 562 | Reykjavík | Höfuðborgarsvæðið | 118,918 | Island | Atlantic/Reykjavik |
| 6 | — | — | 308,910 | Island | Atlantic/Reykjavik |
| 7 | — | — | 308,910 | Island | Atlantic/Reykjavik |
| 8 | — | — | 308,910 | Island | Atlantic/Reykjavik |