Local Calling Guide

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

NXX: 525

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-525 A Silver City IA GLWDIACORS5  9631 QWEST CORPORATION 644      
712-525 0 Silver City IA   985E BANDWIDTH.COM CLEC, LLC - IA 644   2012-01-12   
712-525 1 Silver City IA   9631 QWEST CORPORATION 644      
712-525 2 Silver City IA   423H AIRUS, INC - IA 644   2019-05-23   
712-525 3 Silver City IA   221F ONVOY, LLC - IA 644   2016-04-14   
712-525 4 Silver City IA   221F ONVOY, LLC - IA 644   2016-04-14   
712-525 5 Silver City IA   221F ONVOY, LLC - IA 644   2013-04-04   
712-525 6 Silver City IA   508J CENTURYLINK COMMUNICATIONS, LLC 644   2015-01-22   
712-525 7 Silver City IA   221F ONVOY, LLC - IA 644   2008-09-04   
712-525 8 Silver City IA   221F ONVOY, LLC - IA 644   2015-12-04   
712-525 9 Silver City IA   9631 QWEST CORPORATION 644      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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