SO VIENNA — OH
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
| OHIO BELL TEL CO | 9321 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
| OHIO BELL TEL CO | 9321 | 1 |