SIOUX CTR — IA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| MUTUAL TEL. CO. | 1252 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| MUTUAL TEL. CO. | 1252 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | 1 |