Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-545 A Crescent IA CRSCIACORS1  9631 QWEST CORPORATION 644      
712-545 0 Crescent IA   985E BANDWIDTH.COM CLEC, LLC - IA 644   2015-07-02   
712-545 1 Crescent IA   318J COMCAST IP PHONE, LLC 644   2018-04-07   
712-545 2 Crescent IA   423H AIRUS, INC - IA 644   2019-05-20   
712-545 3 Crescent IA   9631 QWEST CORPORATION 644      
712-545 4 Crescent IA   9631 QWEST CORPORATION 644      
712-545 5 Crescent IA   221F ONVOY, LLC - IA 644   2015-12-04   
712-545 6 Crescent IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 644   2019-07-08   
712-545 7 Crescent IA   221F ONVOY, LLC - IA 644   2008-09-04   
712-545 8 Crescent IA   774B WALNUT TELEPHONE COMPANY, INC. - IA 644   2006-12-30   
712-545 9 Crescent IA   9631 QWEST CORPORATION 644      

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

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