CASTALIA — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - OH | 001F | 1 |
| ONVOY, LLC - OH | 464C | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| OHIO BELL TEL CO | 9321 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - OH | 001F | 1 |
| ONVOY, LLC - OH | 464C | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| OHIO BELL TEL CO | 9321 | 1 |