OXFORD — PA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | 2 |
| VERIZON PENNSYLVANIA, INC. | 9208 | 2 |
| ARMSTRONG TELECOMMUNICATIONS, INC. - PA | 422C | 1 |
| ONVOY, LLC - PA | 547E | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |