PHLDLPHZN3 — PA
Data last updated: August 31, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON PENNSYLVANIA, INC. | 9208 | 38 |
| OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | 11 |
| ONVOY, LLC - PA | 547E | 7 |
| LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | 5 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 5 |