SO YANKTON — NE
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - NE | 3233 | 1 |
| ONVOY, LLC - NE | 549E | 1 |
| QWEST CORPORATION | 9631 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - NE | 3233 | 1 |
| ONVOY, LLC - NE | 549E | 1 |
| QWEST CORPORATION | 9631 | 1 |