GREENBRIER — TN
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| COMCAST IP PHONE, LLC | 318J | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| ONVOY, LLC - TN | 525E | 1 |
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 1 |