HIGHLANDS — NC
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC | 0509 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | 2 |
| PAETEC ITEL, LLC | 829J | 1 |
| COMMIO, LLC | 939H | 1 |