MONTGOMERY — PA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| WINDSTREAM PENNSYLVANIA, INC. | 0176 | 2 |
| CORE COMMUNICATIONS, INC. - PA | 3806 | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| WINDSTREAM PENNSYLVANIA, INC. | 0176 | 2 |
| CORE COMMUNICATIONS, INC. - PA | 3806 | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |