Local Calling Guide

Area code/prefix search

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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-458 A Whiting IA WHNGIACORS4  9631 QWEST CORPORATION 630      
712-458 0 Whiting IA   073H TELNYX LLC 630   2020-05-29   
712-458 1 Whiting IA   221F ONVOY, LLC - IA 630   2021-01-16   
712-458 2 Whiting IA   9631 QWEST CORPORATION 630      
712-458 3 Whiting IA   221F ONVOY, LLC - IA 630   2019-07-25   
712-458 4 Whiting IA   221F ONVOY, LLC - IA 630   2018-10-19   
712-458 5 Whiting IA   9631 QWEST CORPORATION 630      
712-458 6 Whiting IA   221F ONVOY, LLC - IA 630   2019-07-25   
712-458 7 Whiting IA   508J CENTURYLINK COMMUNICATIONS, LLC 630   2016-12-28   
712-458 8 Whiting IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2015-05-29   
712-458 9 Whiting IA   221F ONVOY, LLC - IA 630   2021-01-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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