Local Calling Guide

Area code/prefix search

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

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-631 A Sheldon IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630      
712-631 0 Sheldon IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630   2007-12-03   
712-631 1 Sheldon IA SPNCIAAC2MD  6266 UNITED STATES CELLULAR - IA 630   2013-08-12   
712-631 2 Sheldon IA SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2019-08-26   
712-631 3 Sheldon IA SXCYIADT9MD  221F ONVOY, LLC - IA 630   2018-10-19   
712-631 4 Sheldon IA SHLNIA130MD  904D PREMIER COMMUNICATIONS, INC. - IA 630   2012-03-30   
712-631 5 Sheldon IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2011-10-14   
712-631 6 Sheldon IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2007-04-16   
712-631 7 Sheldon IA SXCYIADTQMD  508J CENTURYLINK COMMUNICATIONS, LLC 630   2016-12-28   
712-631 8 Sheldon IA SXCYIADTKMD  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630   2018-10-08   
712-631 9 Sheldon IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2008-01-06   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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