SYLVA — NC
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | 5 |
| FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC | 0509 | 4 |
| LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | 2 |
| ETC COMMUNICATIONS, LLC - NC | 403H | 1 |
| FRONTIER COMMUNICATIONS OF AMERICA, INC. - NC | 440G | 1 |