IMPERIAL — PA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| TELEPORT COMMUNICATIONS AMERICA, LLC - PA | 7315 | 3 |
| CORE COMMUNICATIONS, INC. - PA | 3806 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | 1 |
| ARMSTRONG TELECOMMUNICATIONS, INC. - PA | 422C | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 1 |