| AreaCode | 712 |
| Prefix | 201 |
| State | IA - Iowa |
| Telco Company Name | Onvoy, Llc - Ia |
| Operating Company Number (OCN) | 742E |
| RateCenter | UNDERWOOD |
| Common Language Location Identifier Code (CLLI) | NOCLLIKNOWN |
| Prefix Type | CLEC |
| Local access and transport area (LATA) | 644 |