Local Calling Guide

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NPA: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-633 A Richfield UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-633 0 Richfield UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2003-11-05   
435-633 1 Richfield UT SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2008-11-29   
435-633 2 Richfield UT PROVUTAVG00  716D VERACITY COMMUNICATIONS, INC. - UT 660   2011-07-06   
435-633 3 Richfield UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2008-03-13   
435-633 4 Richfield UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-633 5 Richfield UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2009-06-06   
435-633 6 Richfield UT SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660   2011-04-08   
435-633 7 Richfield UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2006-11-10   
435-633 8 Richfield UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-12-20   
435-633 9 Richfield UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2012-09-26   

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

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