Local Calling Guide

Area code/prefix search

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

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-423 A Onawa IA ONAWIACORS4  9631 QWEST CORPORATION 630      
712-423 0 Onawa IA SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2007-08-08   
712-423 1 Onawa IA ONAWIACORS4  9631 QWEST CORPORATION 630      
712-423 2 Onawa IA ONAWIACORS4  9631 QWEST CORPORATION 630      
712-423 3 Onawa IA ONAWIACORS4  9631 QWEST CORPORATION 630      
712-423 4 Onawa IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2009-11-19   
712-423 5 Onawa IA SXCYIADT9MD  221F ONVOY, LLC - IA 630   2019-07-25   
712-423 6 Onawa IA SXCYIADT9MD  221F ONVOY, LLC - IA 630   2019-07-25   
712-423 8 Onawa IA ONAWIACORS4  9631 QWEST CORPORATION 630      
712-423 9 Onawa IA ONAWIACORS4  9631 QWEST CORPORATION 630      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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