JOICE — IA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | 2 |
| WINNEBAGO COOP. TEL. ASSN. - IA | 1337 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | 2 |
| WINNEBAGO COOP. TEL. ASSN. - IA | 1337 | 1 |