PHLDLPHZN1 — PA
Data last updated: October 30, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON PENNSYLVANIA, INC. | 9208 | 151 |
| OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | 73 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 72 |
| SPOK, INC. | 6630 | 26 |
| ONVOY, LLC - PA | 547E | 24 |