DERRY — PA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| ONVOY, LLC - PA | 547E | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7315 | 1 |
| VERIZON PENNSYLVANIA, INC. | 9208 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| ONVOY, LLC - PA | 547E | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7315 | 1 |
| VERIZON PENNSYLVANIA, INC. | 9208 | 1 |