PHPHSBZN34 — PA
Data last updated: October 30, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON PENNSYLVANIA, INC. | 9208 | 14 |
| LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | 6 |
| ONVOY, LLC - PA | 547E | 5 |
| PAETEC ITEL, LLC | 829J | 5 |
| OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | 4 |