STRASBURG — PA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| ONVOY, LLC - PA | 547E | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |