MOUNTANTOP — PA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SPOK, INC. | 6630 | 2 |
| VERIZON PENNSYLVANIA, INC. | 9208 | 2 |
| CORE COMMUNICATIONS, INC. - PA | 3806 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| CTSI, INC. - PA | 7513 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| SPOK, INC. | 6630 | 2 |
| VERIZON PENNSYLVANIA, INC. | 9208 | 2 |
| CORE COMMUNICATIONS, INC. - PA | 3806 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| CTSI, INC. - PA | 7513 | 1 |