Hawaii Dialing Codes, Country Codes and Area Codes
| City | Country Codes | Area Codes | Dialing Codes |
|---|---|---|---|
| Hilo | +1 | 808 | +1 808 |
| Honolulu | +1 | 808 | +1 808 |
| Kailua | +1 | 808 | +1 808 |
| Kihei | +1 | 808 | +1 808 |
| Mountain View | +1 | 650 | +1 650 |
| Pearl City | +1 | 808 | +1 808 |
| Volcano | +1 | 209 | +1 209 |
| Wahiawa | +1 | 808 | +1 808 |
| Wailuku | +1 | 808 | +1 808 |
| Waimea | +1 | 808 | +1 808 |
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