Local Calling Guide

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

NXX: 938

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-938 A Logan UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-938 0 Logan UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-938 1 Logan UT   6529 T-MOBILE USA, INC. 660   2011-05-10   
435-938 2 Logan UT   6529 T-MOBILE USA, INC. 660   2011-05-10   
435-938 3 Logan UT   6529 T-MOBILE USA, INC. 660   2012-04-22   
435-938 4 Logan UT   6529 T-MOBILE USA, INC. 660   2011-05-10   
435-938 5 Logan UT   871E ONVOY, LLC - UT 660   2013-01-06   
435-938 6 Logan UT   871E ONVOY, LLC - UT 660   2013-01-06   
435-938 7 Logan UT   871E ONVOY, LLC - UT 660   2006-11-10   
435-938 8 Logan UT   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2011-01-02   
435-938 9 Logan UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2008-04-28   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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