SHELDON — IA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - IA | 221F | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | 1 |
| QWEST CORPORATION | 9631 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - IA | 9877 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - IA | 221F | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | 1 |
| QWEST CORPORATION | 9631 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - IA | 9877 | 1 |