PHLDLPHZN1 — PA
Data last updated: March 10, 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 | 71 |
| SPOK, INC. | 6630 | 26 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | 24 |