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Hawaii Area Codes
Hawaii has 1 area code in service: 808.
Largest cities
| City | Area codes |
|---|---|
| Honolulu | 808 |
| East Honolulu | 808 |
| Hilo | 808 |
| Pearl City | 808 |
| Waipahu | 808 |
| Kailua | 808 |
| Kaneohe | 808 |
| Mililani Town | 808 |
| Kahului | 808 |
| Ewa Gentry | 808 |
| Kapolei | 808 |
| Kihei | 808 |
All area codes in Hawaii
| Code | Main cities | Overlay | In service since | Projected exhaust |
|---|---|---|---|---|
| 808 | Honolulu, East Honolulu, Hilo, Pearl City | — | 1957 | 2032 |
693 prefixes are in use across Hawaii. Exhaust years are NANPA's 2026 forecast.