NOSIOUX CY — SD
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| LONG LINES METRO, LLC - SD | 7010 | 3 |
| T-MOBILE USA, INC. | 6529 | 2 |
| QWEST CORPORATION | 9631 | 2 |
| TELNYX LLC | 073H | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - SD | 5180 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| LONG LINES METRO, LLC - SD | 7010 | 3 |
| T-MOBILE USA, INC. | 6529 | 2 |
| QWEST CORPORATION | 9631 | 2 |
| TELNYX LLC | 073H | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - SD | 5180 | 1 |