Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-677 A Brian Head UT BNHDUTMARS2  9636 QWEST CORPORATION 660      
435-677 0 Brian Head UT   9636 QWEST CORPORATION 660      
435-677 1 Brian Head UT   871E ONVOY, LLC - UT 660   2016-04-08   
435-677 2 Brian Head UT   9636 QWEST CORPORATION 660      
435-677 3 Brian Head UT   9636 QWEST CORPORATION 660      
435-677 4 Brian Head UT   9636 QWEST CORPORATION 660      
435-677 5 Brian Head UT   871E ONVOY, LLC - UT 660   2016-04-08   
435-677 6 Brian Head UT   117F BANDWIDTH.COM CLEC, LLC - UT 660   2011-10-17   
435-677 7 Brian Head UT   871E ONVOY, LLC - UT 660   2011-06-20   
435-677 8 Brian Head UT   508J CENTURYLINK COMMUNICATIONS, LLC 660   2017-04-04   
435-677 9 Brian Head UT   9636 QWEST CORPORATION 660      

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

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