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: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-258 A Logan UT RCMDUTMARS1  9636 QWEST CORPORATION 660      
435-258 0 Logan UT   9636 QWEST CORPORATION 660      
435-258 1 Logan UT   9636 QWEST CORPORATION 660      
435-258 2 Logan UT   9636 QWEST CORPORATION 660      
435-258 3 Logan UT   9636 QWEST CORPORATION 660      
435-258 4 Logan UT   9636 QWEST CORPORATION 660      
435-258 5 Logan UT   9636 QWEST CORPORATION 660      
435-258 6 Logan UT   3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660   2004-11-15   
435-258 7 Logan UT   117F BANDWIDTH.COM CLEC, LLC - UT 660   2012-07-02   
435-258 8 Logan UT   6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2011-02-28   
435-258 9 Logan UT   117F BANDWIDTH.COM CLEC, LLC - UT 660   2011-10-22   

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

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