PTGSBNZN22 — PA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON PENNSYLVANIA, INC. | 9208 | 12 |
| LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | 4 |
| AERIAL COMMUNICATIONS, INC. | 6701 | 4 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 4 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7315 | 2 |