FOLSOM — LA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - LA | 153F | 1 |
| TELEPORT COMMUNICATIONS AMERICA LA - LLC | 653C | 1 |
| ONVOY, LLC - LA | 749E | 1 |
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 1 |