HILO — HI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| HAWAIIAN TELCOM, INC. - HI | 3100 | 45 |
| T-MOBILE USA, INC. | 6529 | 11 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 10 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - HI | 6516 | 9 |
| LEVEL 3 TELECOM OF HAWAII, LP - HI | 8297 | 4 |